Features
Managing Food crop pests without compromising yield and environment
By DR. Chandrasiri Kudagamage
Insect pests cause substantial damage to our food crops. Insecticides are normally applied to combat them. However, dependency solely on insecticide for pest management has resulted in various undesirable environmental and human health problems. Human health is affected by the consumption of food with insecticidal residues. Also, the destruction of friendly insects such as pollinators, predators and parasites, is among some of environmental effects of indiscriminate use of insecticides. Long-term persistence of some chemicals in the environment and frequent exposure to these chemicals may also result in different forms of cancers. Sri Lanka ranks very high as regards pesticide-related health hazards and around 20,000 poisoning cases are reported per year and of them 1,600 are fatal. Seventy percent of them were related to suicide. (Registrar of Pesticide)
With the development of herbicide resistant crops like soya bean, corn and wheat the use of total weed killer glyphosate has increased and become most widely used herbicides in history. Farmers, in 2014, sprayed enough of the chemical to cover every acre of cropland in the entire world with nearly a half- pound of the herbicide, according to a 2016 study published in Environmental Sciences Europe. With this intensity of use glyphosate is likely to cause problems and as a result, this herbicide is being increasingly scrutinised for human health impacts. Scientists say it also could be altering the wildlife and organisms at the base of the food chain.
DDT was a widely used insecticide during post world war times. The popularity of this insecticide was due to it less acute toxicity. However, it was subsequently known that this insecticide accumulated in the fat layer of fish and mammals. It was banned in 1970s in our country. However, the use of insecticides continued and many farmers believed chemicals are important input for reducing yield losses.
Undesirable effects of chemicals came to be realised worldwide shortly after the wide use of agro-chemicals in post-world war times. Famous environmentalist and a marine biologist by profession, Rachel Carson in her book, ‘Silent Spring 1962’ highlighted the bad effects of indiscriminate use of chemicals. This inspired grass root environmental movements and others to highlight these effects in various forums. Carson did not anticipate a total ban on pesticide. However, she predicted consequences of over use of chemicals on biodiversity and target pests developing pesticide resistance etc. This led to establishment of environmental protection agency(1970) by an executive order from US President Richard Nixon. The purpose of this agency was to protect human health and environment. Similar legislature also being adopted in our country. The pesticide law 33 of 1980 was enacted to regulate import, manufacture, distribution and use of agro-chemicals in Sri Lanka.
Alternative Approach
To address the above issues new concept of pest management popularly known as Integrated Pest Management or IPM was launched and it evolved into an Eco-friendly and economical pest management tool. This approach has been recognised as a policy for the management of pests by successive governments. However, enough funding in the form of manpower, funding for conducting research, laboratory and analytical facilities has been limiting. This has slowed the progress of IPM in pest management in several crops.
The primary objective of IPM is to develop an economical eco-friendly pest management package where pesticides are used as the last resort when other control measures fail and the pest population exceed a certain threshold called the economic threshold. IPM integrate well with other available control methods and can be applied to any ecosystem such as crop based, home garden, greenhouses and domestic pest control.
Following globalisation and transboundary movements of food and with the increase of demand for diverse food, there has been a concern for contamination of food with various pathogens and chemical residues. Hence agriculture practices need to be introduced to minimise these effects. Recently-introduced Good Agriculture Practices (GAP) fulfil this requirement and goes beyond the scope of IPM.
IPM has various components such as mechanical control (use of bags for fruit fly control), use of resistant varieties, biocontrol (use of predators, parasites and microorganism) and legislative and quarantine (banning of imports from infested country).
IPM experience with major food crops
There are about five or six major insect pests in our staple crop rice. These pests infest different stages of the crop. Among the pests, rice brown planthopper (BPH) and rice gall-midge play an important role causing low to high of damage depending on the prevailing climate. Due to the cultivation of resistant varieties the incidence of rice gall-midge was very low compared to the times when susceptible varieties were cultivated. With respect to rice brown planhopper , the first resistant variety was introduced to farmers in 1980s. Although resistant varieties are ideal as an insect management method, evolution of new strains that can attack these resistant varieties remain a problem. This has happened with respect to gall-midge resistance where resistance broke down in rice varieties cultivated in the 1980s. However, rice breeders and entomologists were able to introduce a new resistant variety by 1984. There are reports of breaking down of this resistance in the recent times. This indicates importance of constant attention in monitoring resistance, management of resistance and finding new sources of resistance. The availability of molecular genetic tools make it easy for the incorporation novel forms of resistance, which is more stable.
The pests that attack at the seedling stages such as thrips are best approached by following correct planting time as heavy infestation is observed in late planted crop. With respect to rice bug which infest crop after flowering, use similar planting time in a Yaya, weeding around the bunds before weeds flower are important non-chemical methods
Although IPM in rice is fairly successful, it is not widely applied in vegetables and other crops. A study conducted by the Department of Agriculture (DOA) in four major vegetable growing Districts in Sri Lanka showed that 85% of farmers in the Badulla District applied pesticides to their crops before the appearance of any pests or symptoms. In the Nuwara-Eliya District this was recorded at 66%. This shows that chemical controls are used even before pest damage has exceeded economic threshold levels and the use of pesticides as a precautionary measure has become common.
Cucurbit fruitfly and melon fly infestation is the most common limiting factor in the cultivation of cucurbit crops for local consumption and export. The melon fly lays eggs deep inside the fruit. The emerging larvae feed inside the soft tissue. This results in fruit dropping and decay. The larvae pupate in soil. Insecticide control is difficult since larvae feed inside the fruit and avoid direct contact with insecticide. In the export consignment, if a single larva is present the whole consignment can get rejected. Therefore, alternative control strategy based on IPM concepts are required. There are several strategies such as bagging of fruits, collection of crop residues and decaying and fallen fruits into a black polythene bag which help to destroy the larvae due to heat developed inside the bag. Together with these cultural methods, application of protein bait is an innovative approach to control this pest. The female flies are attracted to protein substance and consumption of protein help to mature their eggs. Proteinous material prepared from locally available substances are mixed with soft insecticide and applied to leaves instead of fruits. To reduce the amount of insecticide used application to few spots of the crop is sufficient to reduce the female melon fly population. For more effective results these IPM methods need to be applied on wide area basis such as Yaya or cropping area.
Mealy bug was reported to infest papaya fruits in different parts of the country in the late 1980s. This insect is a invasive pest rapidly infesting many species crops. However, main host is papaya. Due to its rapid multiplication rate and wide host range insecticide control is not successful. In other countries where this insect was found, the population of mealy bug is kept at lower level because of the action of the predators and parasite. DOA has already released a effective parasite obtained from United State Department of Agriculture’s Animal and Plant Health Inspection Service parasite rearing facility, in areas where this pest was found.
In Dec. 2018, another pest Fall Army Worm was observed infesting maize in all major maize growing areas. It was also found to infest sugar cane. This pest is native to America. Outside its native habitat it was first found in Central and Western Africa in 2016, and then quickly spread to sub Saharan Africa and in 2018 it was reported from many Indian states. It is a good example of trans boundary movement as the adult moth is capable of flying hundred of kilometres per night. Also, in the absence of native parasites and predators, other control methods based on IPM concepts need to be developed. Initially, experience of small farmers of South America, where the pest is endemic will be valuable tool for the development of control methods. However, research and farmer awareness programme is of paramount importance to develop more realistic management programme for this new pest.
Taking IPM into farmers’ fields
Many believe the concepts developed in IPM is too complex for the average farmer to understand because it involves counting, record keeping and various calculation for economic threshold determination. Hence, farmers need to be introduced to simpler approach to study the crop growth, pest infestation and natural enemy abundance. This is achieved by a group-based learning process. This is known as the Farmers’ Field School. According to this method around 20- 25 rice farmer groups collectively, study the progress of their crop from establishment to harvesting. For this farmers meet together once a week and observe their fields and share their experience with respect to growth of the crops and those factors that limit the growth including the action of pests, and abundance of natural enemies, etc. Depending on the outcome of the observation of their fields, decision will be taken to take action if the pest population grows up. This is a learner centred process where the agriculture instructor is only a facilitator. The impact of this programme was felt by the increases in yield, reduced insecticide use and favourable bio-diversity factors like abundance of predators and parasites.
Apart from government extension, NGOs such as Sarvodaya, CARE and Sri Lanka Red Cross have provided their support on IPM by conducting training programmes on IPM, but, focusing mainly on paddy.
Pesticide Management
A comprehensive pesticide control procedure in the form of pesticide law 33 of 1981 is in existence in the country, but enforcement is low due to several reasons. Often advice regarding pesticide selection was given by the pesticide seller in the village. As a result farmers may select the wrong pesticide, Over use of pesticide is common. They do not use correct dose and dilution. Often they apply pesticide even before appearance of the pest. Also, they do not follow correct post harvest interval. Although, provisions are available to mitigate these shortcomings via the pesticide law, the best way to tackle is through farmer training based on a good extension program.
Under the pesticide law, every product imported to the country has to be registered. Further field monitoring and enforcement of correct use, laboratory testing for quality and residues, imports regulations in the form of banning and restricting the pesticide are carried out. Over the years, the use of WHO Class1 pesticides has been prohibited and these products banned.
Instead of conventional pesticide, there are several specific pesticide registered in the country having low toxicity to humans. Some of these products affect insect hormone system and hence specific to them. Also, available in the market are several neem based botanical pesticide which are effective particularly on caterpillar pests. Additionally, there are bacterial insecticides which result in gastric problems in insects. Insect become sick and die when they consume leaves treated with these insecticide. These insecticides act on few species of insects and easily break down when exposed to light and other environmental factors. Hence, these products are not very popular with farmers although they are safe and environmentally friendly. For these specific pesticides, there are opportunities for use in home gardens and in greenhouses
Future development and promotion of IPM
There are several shortcomings in the development and implementation of IPM. There is a dearth of trained extension workers to deal with large number of farmers involved in crop production. To address this issue, leader farmers can be trained in IPM methods and they can be used to train other farmers in a Yaya or in a village. The government extension workers can be facilitators in this training programme as explained above with respect to Farmers’ Field School method of training. However, more intensive training programme for extension workers covering many aspects of IPM and successful experience of IPM particularly from rice IPM programme needs to be integrated into their training curriculum. Farmer field school programme has been adopted in many countries the world over and the knowledge is shared in the form of reports, videos, manuals, field guides and podcasts. Hence there is lot of avenues to incorporate relevant information in the training curriculum of the extension workers in our country.
Consumer awareness of environmental and health hazards of pesticides and particularly of the persistence in the environment needs to be created to reject food contaminated with pesticides. For this facilities for pesticide residue analysis needs to be improved.
Field demonstration of IPM methods with the involvement of researchers, extension workers and farmers needs to be established. By following IPM methods used in these demonstration, farmers can pick up the most appropriate IPM methods to test in their fields. More investment is needed to promote innovative research such as melon fly control as explained above. Participatory IPM trials and development of simplified IPM packages for major pests and diseases are also necessary for popularising IPM among farmers.
Globalisation of trade and travel, and introduction of improved planting materials can cause accidental introduction of pests. Papaya mealy bug and fall army worm are recent examples of such pest introduction. Facilities available at the plant quarantine station need to be improved for identification of pests of quarantine significance.
There is also an increasing interest in utilising information technology in agriculture to help extension advisers and other intermediaries in delivering up to date information to farmers to manage their crops. Development Mobile Apps that work offline for early warning and surveillance of pests helps farmers make quick decisions for the management of pests.
Author is Former Entomologist, FAO Rice IPM project’s Research coordinator, Director Horticulture Research and Development Institute and Director General Department of Agriculture
Features
Neutrality in the context of geopolitical rivalries
The long standing foreign policy of Sri Lanka was Non-Alignment. However, in the context of emerging geopolitical rivalries, there was a need to question the adequacy of Non-Alignment as a policy to meet developing challenges. Neutrality as being a more effective Policy was first presented in an article titled “Independence: its meaning and a direction for the future” (The Island, February 14, 2019). The switch over from Non-Alignment to Neutrality was first adopted by former President Gotabaya Rajapaksa and followed through by successive Governments. However, it was the current Government that did not miss an opportunity to announce that its Foreign Policy was Neutral.
The policy of Neutrality has served the interests of Sri Lanka by the principled stand taken in respect of the requests made by two belligerents associated with the Middle East War. The justification for the position adopted was conveyed by President Anura Kumara Dissanayake to Parliament that Iran had made a formal request on February 26 for three Iranian naval ships to visit Sri Lanka, and on the same evening, the United States also requested permission for two war planes to land at Mattala International Airport. Both requests were denied on grounds of maintaining “our policy of neutrality”.
WHY NEUTRALITY
Excerpts from the article cited above that recommended Neutrality as the best option for Sri Lanka considering the vulnerability to its security presented by its geographic location in the context of emerging rivalries arising from “Pivot to Asia” are presented below:
“Traditional thinking as to how small States could cope with external pressures are supposed to be: (1) Non-alignment with any of the major centers of power; (2) Alignment with one of the major powers thus making a choice and facing the consequences of which power block prevails; (3) Bandwagoning which involves unequal exchange where the small State makes asymmetric concessions to the dominant power and accepts a subordinate role of a vassal State; (4) Hedging, which attempts to secure economic and security benefits of engagement with each power center: (5) Balancing pressures individually, or by forming alliances with other small States; (6) Neutrality”.
Of the six strategies cited above, the only strategy that permits a sovereign independent nation to charter its own destiny is neutrality, as it is with Switzerland and some Nordic countries. The independence to self-determine the destiny of a nation requires security in respect of Inviolability of Territory, Food Security, Energy Security etc. Of these, the most critical of securities is the Inviolability of Territory. Consequently, Neutrality has more relevance to protect Territorial Security because it is based on International Law, as opposed to Non-Alignment which is based on principles applicable to specific countries that pledged to abide by them
“The sources of the international law of neutrality are customary international law and, for certain questions, international treaties, in particular the Paris Declaration of 1856, the 1907 Hague Convention No. V respecting the Rights and Duties of Neutral Powers and Persons in Case of War on Land, the 1907 Hague Convention No. XIII concerning the Rights and Duties of Neutral Powers in Naval War, the four 1949 Geneva Conventions and Additional Protocol I of 1977” (ICRC Publication on Neutrality, 2022).
As part of its Duties a Neutral State “must ensure respect for its neutrality, if necessary, using force to repel any violation of its territory. Violations include failure to respect the prohibitions placed on belligerent parties with regard to certain activities in neutral territory, described above. The fact that a neutral State uses force to repel attempts to violate its neutrality cannot be regarded as a hostile act. If the neutral State defends its neutrality, it must however respect the limits which international law imposes on the use of force. The neutral State must treat the opposing belligerent States impartially. However, impartiality does not mean that a State is bound to treat the belligerents in exactly the same way. It entails a prohibition on discrimination” (Ibid).
“It forbids only differential treatment of the belligerents which in view of the specific problem of armed conflict is not justified. Therefore, a neutral State is not obliged to eliminate differences in commercial relations between itself and each of the parties to the conflict at the time of the outbreak of the armed conflict. It is entitled to continue existing commercial relations. A change in these commercial relationships could, however, constitute taking sides inconsistent with the status of neutrality” (Ibid).
THE POTENTIAL of NEUTRALITY
It is apparent from the foregoing that Neutrality as a Policy is not “Passive” as some misguided claim Neutrality to be. On the other hand, it could be dynamic to the extent a country chooses to be as demonstrated by the actions taken recently to address the challenges presented during the ongoing Middle East War. Furthermore, Neutrality does not prevent Sri Lanka from engaging in Commercial activities with other States to ensuring Food and Energy security.
If such arrangements are undertaken on the basis of unsolicited offers as it was, for instance, with Japan’s Light Rail Project or Sinopec’s 200,000 Barrels a Day Refinery, principles of Neutrality would be violated because it violates the cardinal principle of Neutrality, namely, impartiality. The proposal to set up an Energy Complex in Trincomalee with India and UAE would be no different because it restricts the opportunity to one defined Party, thus defying impartiality. On the other hand, if Sri Lanka defines the scope of the Project and calls for Expressions of Interest and impartially chooses the most favourable with transparency, principles of Neutrality would be intact. More importantly, such conduct would attract the confidence of Investors to engage in ventures impartial in a principled manner. Such an approach would amount to continue the momentum of the professional approach adopted to meet the challenges of the Middle East War.
CONCLUSION
The manner in which Sri Lanka acted, first to deny access to the territory of Sri Lanka followed up by the humanitarian measures adopted to save the survivors of the torpedoed ship, earned honour and respect for the principled approach adopted to protect territorial inviolability based on International provisions of Neutrality.
If Sri Lanka continues with the momentum gained and adopts impartial and principled measures recommended above to develop the country and the wellbeing of its Peoples, based on self-reliance, this Government would be giving Sri Lanka a new direction and a fresh meaning to Neutrality that is not passive but dynamic.
by Neville Ladduwahetty
Features
Lest we forget
The interference into affairs of other nations by the USA’s Central Intelligence Agency (CIA) started in 1953, six years after it was established. The Anglo-Iranian Oil Company supplied Britain with most of its oil during World War I. In fact, Winston Churchill once declared: “Fortune brought us a prize from fairyland beyond our wildest dreams.”
When in 1951 Dr. Mohammad Mosaddegh was reluctantly appointed as Prime Minister by the Shah of Iran, whose role was mostly ceremonial, he convinced Parliament that the oil company should be nationalised.
Mohammed Mosaddegh
Mosaddegh said: “Our long years of negotiations with foreign companies have yielded no result thus far. With the oil revenues we could meet our entire budget and combat poverty, disease and backwardness of our people.”
It was then that British Intelligence requested help from the CIA to bring down the Iranian regime by infiltrating their communist mobs and the army, thus creating disorder. An Iranian oil embargo by the western countries was imposed, making Iranians poorer by the day. Meanwhile, the CIA’s strings were being pulled by Kermit Roosevelt (a grandson of former President Theodore Roosevelt), according to declassified intelligence information.
Although a first coup failed, the second attempt was successful. General Fazlollah Zahedi, an Army officer, took over as Prime Minister. Mosaddegh was tried and imprisoned for three years and kept under house arrest until his death. Playing an important role in the 1953 coup was a Shia cleric named Ayatollah Abol-Ghasem Mostafavi-Kashani. He was previously loyal to Mosaddegh, but later supported the coup. One of his successors was Ayatollah Ruhollah Mostafavi Musavi Khomeini, who engineered the Islamic Revolution in 1979. Meanwhile, in 1954 the Anglo-Iranian Oil Company had been rebranded as British Petroleum (BP).
Map of the Middle East
When the Iran-Iraq war broke out (September 1980 to August 1988), the Persian/Arabian Gulf became a hive of activity for American warships, which were there to ensure security of the Gulf and supertankers passing through it.
The Strait of Hormuz, the only way in and out of the Gulf, is administered by Oman and Iran. While there may have been British and French warships in the region, radio ‘chatter’ heard by aircraft pilots overhead was always from the US ships. In those days, flying in and out of the Gulf was a nerve-wracking experience for airline pilots, as one may suddenly hear a radio call on the common frequency: “Aircraft approaching US warship [name], identify yourself.” One thing in the pilots’ favour was that they didn’t know what ships they were flying over, so they obeyed only the designated air traffic controller. Sometimes though, with unnecessarily distracting American chatter, there was complete chaos, resulting in mistaken identities.
Air Lanka Tri Star
Once, Air Lanka pilots monitored an aircraft approaching Bahrain being given a heading to turn on to by a ship’s radio operator. Promptly the air traffic controller, who was on the same frequency, butted in and said: “Disregard! Ship USS Navy [name], do you realise what you have just done? You have turned him on to another aircraft!” It was obvious that there was a struggle to maintain air traffic control in the Gulf, with operators having to contend with American arrogance.
On the night of May 17, 1987, USS Stark was cruising in Gulf waters when it was attacked by a Dassault Mirage F1 jet fighter/attack aircraft of the Iraqi Air Force. Without identifying itself, the aircraft fired two Exocet missiles, one of which exploded, killing 37 sailors on board the American frigate. Iraq apologised, saying it was a mistake. The USA graciously accepted the apology.
Then on July 3, 1988 the high-tech, billion-dollar guided missile cruiser USS Vincennes, equipped with advanced Aegis weapons systems and commanded by Capt. Will Rogers III, was chasing two small Iranian gun boats back to their own waters when an aircraft was observed on radar approaching the US warship. It was misidentified as a Mirage F1 fighter, so the Americans, in Iranian territorial waters, fired two surface-to-air Missiles (SAMs) at the target, which was summarily destroyed.
The Vincennes had issued numerous warnings to the approaching aircraft on the military distress frequency. But the aircraft never heard them as it was listening out on a different (civil) radio frequency. The airplane broke in three. It was soon discovered, however, that the airplane was in fact an Iran Air Airbus A300 airliner with 290 civilian passengers on board, en route from Bandar Abbas to Dubai. Unfortunately, because it was a clear day, the Iranian-born, US-educated captain of Iran Air Flight 655 had switched off the weather radar. If it was on, perhaps it would have confirmed to the American ship that the ‘incoming’ was in fact a civil aircraft. At the time, Capt. Will Rogers’ surface commander, Capt. McKenna, went on record saying that USS Vincennes was “looking for action”, and that is why they “got into trouble”.
Although USS Vincennes was given a grand homecoming upon returning to the USA, and its Captain Will Rogers III decorated with the Legion of Merrit, in February 1996 the American government agreed to pay Iran US$131.8 million in settlement of a case lodged by the Iranians in the International Court of Justice against the USA for its role in that incident. However, no apology was tendered to the families of the innocent victims.
These two incidents forced Air Lanka pilots, who operated regularly in those perilous skies, to adopt extra precautionary measures. For example, they never switched off the weather radar system, even in clear skies. While there were potentially hostile ships on ground, layers of altitude were blocked off for the exclusive use of US Air Force AWACS (Airborne Warning and Control System) aircraft flying in Bahraini and southern Saudi Arabian airspace. The precautions were even more important because Air Lanka’s westbound, ‘heavy’ Lockheed TriStars were poor climbers above 29,000 ft. When departing Oman or the UAE in high ambient temperatures, it was a struggle to reach cruising level by the time the airplane was overhead Bahrain, as per the requirement.
In the aftermath of the Iran Air 655 incident, Newsweek magazine called it a case of ‘mistaken identity’. Yet, when summing up the tragic incident that occurred on September 1, 1983, when Korean Air Flight KE/KAL 007 was shot down by a Russian fighter jet, close to Sakhalin Island in the Pacific Ocean during a flight from New York to Seoul, the same magazine labelled it ‘murder in the air’.
After the Iranian coup, which was not coincidentally during the time of the ‘Cold War’, the CIA involved itself in the internal affairs of numerous countries and regions around the world: Guatemala (1953-1990s); Costa Rica (1955, 1970-1971); Middle East (1956-1958); Haiti (1959); Western Europe (1950s to 1960s); British Guiana/Guyana (1953-1964); Iraq (1958-1963); Soviet Union, Vietnam, Cambodia (1955-1973); Laos, Thailand, Ecuador (1960-1963); The Congo (1960-1965, 1977-1978); French Algeria (1960s); Brazil (1961-1964); Peru (1965); Dominican Republic (1963-1965); Cuba (1959 to present); Indonesia (1965); Ghana (1966); Uruguay (1969-1972); Chile (1964-1973); Greece (1967-1974); South Africa (1960s to 1980s); Bolivia (1964-1975); Australia (1972-1975); Iraq (1972-1975); Portugal (1974-1976); East Timor (1975-1999); Angola (1975-1980); Jamaica (1976); Honduras (1980s); Nicaragua (1979-1990); Philippines (1970s to 1990s); Seychelles (1979-1981); Diego Garcia (late 1960s to present); South Yemen (1979-1984); South Korea (1980); Chad (1981-1982); Grenada (1979-1983); Suriname (1982-1984); Libya (1981-1989); Fiji (1987); Panama (1989); Afghanistan (1979-1992); El Salvador (1980-1992); Haiti (1987-1994, 2004); Bulgaria (1990-1991); Albania (1991-1992); Somalia (1993); Iraq (1991-2003; 2003 to present), Colombia (1990s to present); Yugoslavia (1995-1995, and to 1999); Ecuador (2000); Afghanistan (2001 to present); Venezuela (2001-2004; and 2025).
If one searches the internet for information on American involvement in foreign countries during the periods listed above, it will be seen how ‘black’ funds were/are used by the CIA to destabilise those governments for the benefit of a few with vested interests, while poor citizens must live in the chaos and uncertainty thus created.
A popular saying goes: “Each man has his price”. Sad, isn’t it? Arguably the world’s only superpower that professes to be a ‘paragon of virtue’ often goes ‘rogue’.
God Bless America – and no one else!
BY GUWAN SEEYA
Features
Mannar’s silent skies: Migratory Flamingos fall victim to power lines amid Wind Farm dispute
By Ifham Nizam
A fresh wave of concern has gripped conservationists following the reported deaths of migratory flamingos within the Vankalai Sanctuary—a globally recognised bird habitat—raising urgent questions about the ecological cost of large-scale renewable energy projects in the region.
The incident comes at a time when a fundamental rights petition, challenging the proposed wind power project, linked to India’s Adani Group, remains under examination before the Supreme Court, with environmental groups warning that the very risks they highlighted are now materialising.
At least two flamingos—believed to be part of the iconic migratory flocks that travel thousands of kilometres to reach Sri Lanka—were found dead after entanglement with high-tension transmission lines running across the sanctuary. Another bird was reportedly struggling for survival.
Professor Sampath Seneviratne, a leading ornithologist, expressed deep concern over the development, noting that such incidents are not isolated but indicative of a broader and predictable threat.
“These migratory birds depend on specific flyways that have remained unchanged for centuries. When high-risk infrastructure, like poorly planned power lines, intersect these routes, collisions become inevitable,” he said. “What we are witnessing now could be just the beginning if proper mitigation measures are not urgently implemented.”
Environmentalists argue that the Mannar region—particularly the Vankalai wetland complex—is one of the most critical stopover sites in South Asia for migratory waterbirds, including flamingos, pelicans, and various species of waders. The sanctuary’s ecological value has also supported a niche with growing eco-tourism sector, drawing birdwatchers from around the world.
Executive Director of the Centre for Environmental Justice, Dilena Pathragoda, said the incident underscores the urgency of judicial intervention and stricter environmental oversight.
“This tragedy is a direct consequence of ignoring scientifically established environmental safeguards. We have already raised these concerns before court, particularly regarding the location of transmission infrastructure within sensitive bird habitats,” Pathragoda said.
“Renewable energy cannot be pursued in isolation from ecological responsibility. If due process and proper environmental impact assessments are bypassed or diluted, then such losses are inevitable.”
Conservation groups have long cautioned that the installation of wind turbines and associated grid infrastructure—especially overhead transmission lines—within or near sensitive habitats could transform these landscapes into lethal zones for avifauna.
An environmental activist involved in the ongoing legal challenge said the latest deaths validate earlier warnings.
“This is exactly what we feared. Development is necessary, but not at the cost of biodiversity. When projects of this scale proceed without adequate ecological assessments and safeguards, the consequences are irreversible,” the activist stressed.
The debate has once again brought into focus the delicate balance between renewable energy expansion and biodiversity conservation. While wind energy is widely promoted as a clean alternative to fossil fuels, experts caution that “green” does not automatically mean “harmless.”
Professor Seneviratne emphasised that solutions do exist, including rerouting transmission lines, installing bird diverters, and conducting comprehensive migratory pathway studies prior to project approval.
“Globally, there are well-established mitigation strategies. The issue here is not the absence of knowledge, but the failure to apply it effectively,” he noted.
The timing of the incident is particularly worrying. Migratory flamingos typically remain in Sri Lanka until late April or May before embarking on their return journeys. Conservationists warn that if hazards remain unaddressed, larger flocks could face similar risks in the coming weeks.
Beyond ecological implications, experts also highlight potential economic fallout. Wildlife tourism—especially birdwatching—contributes significantly to local livelihoods in Mannar.
Repeated reports of bird deaths could deter eco-conscious travellers and damage the region’s reputation as a safe haven for migratory species.
Environmentalists are now calling for immediate intervention by authorities, including a temporary halt to high-risk operations in sensitive zones, pending a thorough environmental review.
They stress that protecting animal movement corridors—whether elephant migration routes or avian flyways—is a fundamental pillar of modern conservation.
As the controversy unfolds, one question looms large: can Sri Lanka pursue sustainable energy without sacrificing the very natural heritage that defines it?
Pathragoda added that for now, the sight of fallen flamingos in Mannar stands as a stark reminder that development, if not carefully planned, can carry a heavy and irreversible cost.
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