Home People Interviews “Till The Gharial Gets The Support Of The Chief Minister I Don’t Foresee Any Difficulty”

“Till The Gharial Gets The Support Of The Chief Minister I Don’t Foresee Any Difficulty”

“Till The Gharial Gets The Support Of The Chief Minister I Don’t Foresee Any Difficulty”

A VHF tagged gharial entering Gandak river. Photo: Samir Kumar Sinha.

On World Environment Day, June 5, 2016, the heart-warming arrival of a few gharial hatchlings confirmed a new breeding population of the species along river Gandak, in Bihar. Samir Kumar Sinha, heads the Gharial Conservation Project of Wildlife Trust of India (WTI). He speaks to Peeyush Sekhsaria and Parikshit Suryavanshi onthe significance of this breeding population, the impact this discovery has had on gharial conservation in Bihar and, now that the next breeding season is around the corner, what is being done to protect and conserve this population.

The gharial Gavialis gangeticus is a critically endangered, freshwater fish-eating crocodile that is endemic to the Indian sub-continent. As per the IUCN, their number was less than 200 in 2006, though recent estimates suggest around 550 adults, and more than double that if sub adults are counted. This beautiful animal, endemic to the Indian sub-continent can reach a stupendous seven meters (22 feet) in length. It has a long snout, which in the male ends in the shape of a ghara (pot), giving the reptile its name ‘gharial’. In India, gharials have been reported in the Chambal, Girwa, Ghaghra, Gandak, Ganga, Sone and Ken rivers, though some of these populations are very small or have effectively disappeared. Gharials are primarily cold blooded fish eaters, and bask in the sun to warm themselves. Their life span is estimated around 50-60 years.

How did work on the gharial start in the Gandak?

I worked on the Gangetic dolphin before joining the Wildlife Trust of India (WTI) in 2003. We hardly saw gharials during our dolphin surveys, though, on one occasion, we recovered a carcass of a young gharial in the Gandak, its tail was cut off. 2003 onwards while working in the Valmiki Tiger Reserve with WTI, I saw seven to eight gharials opposite Triveni ghat along the Nepal side of the river.

Some seven years back, renowned gharial expert, the late Dhruvjyoti Basu, fondly known as Basuda asked me about gharial sightings in the Gandak, including in its Nepal stretch. My sighting reports triggered a multi-organizational, multispecies survey in the Gandak in January 2010, which recorded a remnant population of gharials.

Based on the survey findings, in 2012, the Bihar government sought WTI’s technical support to strengthen the gharial population. In fact, Chief Minister Nitish Kumar personally took interest and follows up on the project even today. The then Forest Secretary, Mr. Deepak Kumar Singh and forest officials took great interest and in 2014 the restocking of gharials in the Gandak from the captive born stock at Sanjay Gandhi Biological Park, Patna was started. This is a Bihar Forest Department funded project, which reflects the commitment of the state. Senior Advisor to WTI, renowned crocodilian scientist Prof. B. C. Choudhury guides the project.

What makes the Gandak so special that gharials continue to survive and even breed?

Just after entering India from Nepal, the river gets the protection of the Valmiki Tiger Reserve on its left bank for about 45 km., and the Sohagi Barwa Wildlife Sanctuary in Uttar Pradesh for about eight km. along its right bank. Limited agriculture is done on the banks as very few villages are situated here since the river keeps eroding its sides. There are no major towns and cities along the river Gandak.

The river channel is intricately braided, consisting of a network of many small channels separated by vast mid-channel islands, which are almost free from anthropogenic activities, and fishing pressure is comparatively low. Such features provide a less-disturbed habitat and gharial populations thus still persist. You would be happy to know that in a March 2015 survey Gandak had 54 gharials of which 26 were adults. With the recent arrivals the numbers are likely to rise.

The Gandak was once a happy gharial ground, but numbers declined – why did this happen and what do we need to do to ensure that this does not happen again?

The construction of a barrage across the river at Valmikinagar in the late 1960s destroyed suitable gharial habitats downstream. After that, the region was taken over by anti-social elements. The law and order condition in the area was very poor. This might have been the reason for no scientific studies in this region, gharials might have also been killed, nobody knows.

After 2007-2008, the law and order situation in the Gandak floodplains was brought under control. Now we stay on the rivers for weeks without any fear. Safety is very important for any conservation work. In the due course of time the river geomorphology also modified, probably favoring the gharials.

Fitting a satellite tag on a captive born gharial before release in the Gandak River. Photo: Samir Kumar Sinha.

Releasing the gharials, monitoring them and praying for their survival? How do you protect them?

Since a wild population was sighted in 2010, we felt the need to strengthen it through restocking with sub-adult gharials, whose chances of survival and adaptation are better than young ones. Release sites were determined based on detailed habitat assessment surveys along 50-60 km. based on the presence of anthropogenic disturbance, fish, sand banks and bars and natural gharial population.

All released individuals are uniquely marked for identification, few are also tagged with VHF and satellite transmitters and are monitored through the entire river stretch, including important basking sites. The project is just two years old and we are still learning about the gharials in the Gandak.

Captive breeding and release is important, but the most important is to keep the habitat safe and secure for the species. Sometimes as you start doing something special, it comes under formal and non-formal protective regime. Monitoring of total population, of the released ones, of human activities is important, so is recording the threats and changes in geo-morphology of the river, all of which determine habitat use by aquatic animals.

How do captive bred sub-adults cope with release into the wild?

We observed that captive bred individuals on release avoid entering the main current, choosing to live in groups as they do in captivity for seven or eight days, after which they disperse. Even after living for so many years in a small pool in captivity, they are able to identify the natural habitat suitable to them. They use the areas which wild gharials already occupy and it is satisfying to watch released and wild gharials bask together. We have observed released ones moving more than 1000 km. and entering into other rivers after eight months of their release.

What are the biggest challenges and the ways to tackle them?

The biggest challenge that I see is development activities. The recent news that the Gandak will be developed as an inland waterway is a great potential threat to the gharials. But, I am sure gharial presence will be considered when detailed studies and environmental impact assessment are conducted. We will raise this issue at the suitable platform.

The Forest, Water Resources and Mines and Geology departments are important stakeholders. Along protected areas, we take the help of forest department staff, we train them in identification of species, monitoring, and we inform them of stretches critical to the gharial and suggest actions to be enforced. The water of the Gandak is diverted for irrigation through canals. We need to work out how much a minimum flow of water is required for gharials and other species like Gangetic dolphins, and only then can we move ahead.

Working with the Water Resources department, which operates the barrage across Gandak is important to ensure there is water in the river. Though we have yet to see any major problem related to sand mining in this area, the Mines and Geology Department is another important stakeholder. Definitely, in the coming years rigorous planning for gharial conservation needs to be done keeping in mind stakeholder’s concerns and giving them space in the management regime. Till the gharial gets the support of the Chief Minister of the state I don’t foresee any difficulty in coordinating with other departments.

Thus the protection strategy is multi-pronged. However, despite efforts many a time disturbance occurs, which we should bear as a part of the system. In the current scenario we cannot expect a zero disturbance zone, especially in our river systems. WTI is committed to continue working till we see that gharials are well established and the state functionaries are capable of managing on their own. Dearth of continued funding support for such species is always an issue, but we will overcome this hurdle.

Locals helping in nest protection measures. Photo: Samir Kumar Sinha.

What are the difficulties of working on river systems?

There are more difficulties working in river systems. For forests there is a department, which has set priorities for the ecosystem. There is no such custodian in the case of rivers. There are several conflicts among river water resource users and stakeholders. A river governance structure needs to be created and streamlined through policy interventions.

How important is the involvement of local communities?

Though in the Gandak area there are very few villages, and most of the farmers and fishermen are active in the river areas for a very limited period, their involvement is very important. We involve local fishermen in our surveys and interact regularly with fishermen and farmers along the bank. When they see gharial monitoring teams regularly, they respect the effort and also avoid directly disturbing the animal. They spread your word to others. Our boatmen, our farmers with whom we lunch and dine during surveys and conduct fieldwork, are the brand ambassadors for gharials. During night stays on the river’s banks we discuss the threats to gharials and other aquatic life with the farmers.

They give us past information about river conditions and the historical presence of gharials and other aquatic species. Their role in nest protection is very important, since they are the people living closest to the gharial nests. We see a great scope for developing a community managed in-situ hatchery for gharials and turtles in the area. This will help the villagers earn while conserving these species, it will help establish bonds with the species, which means a better future for the species.

How is the gharial perceived by humans? Does the gharial show up in the Indian sub-continent’s mythology – can such associations be used to generate greater empathy and protection?

Those who have not actually seen gharials typically perceive them as dangerous. Human-mugger conflict is significant, and most people think of the gharial as the same as the mugger. Those who live along the river know that gharials do not harm them, but they are afraid of it due to the size of the animal.

There are many mythological associations, to many the gharial is the vahana (vehicle) of the River Goddess Ma Ganga, others revere it as a vehicle of Varuna, the god of water. It is also said that while preaching the Geeta to Arjuna, Sri Krishna said, ‘Amongst aquatic life forms, I am the gharial’. How effective such associations would be in the current scenario where consumerism and immediate gains rule is questionable,  butwe need to associate mythologies with ecological values of the rivers and life forms in them and the role of indicator species like the gharial and Gangetic dolphins.

Is there any special moment carved in your memory related to this project?

I can’t describe the thrill of discovering a half-dug gharial nest. We were camping on the river bank and at a distance of about 100 m. from our tent, a gharial dug her nest in the evening. There are many other moments that will stay with me for a lifetime; the release of the first batch of gharials, the first individual fitted with a satellite tag entering the Gandak after almost nine years in captivity, your released animal basking with a wild gharial…

Since June 2016 when the news of the confirmed gharial breeding site was first made public, there has been fairly good press coverage. What has this meant for the gharial, the Gandak and for your work?

Definitely, the ‘Gandak Gharial’ has become prominent in the arena of conservation of less-charismatic species. People now know about it. As far as direct effect of this discovery is concerned - it has motivated the Bihar state government’s Department of Environment and Forests to further extend the conservation work for the species. We will be implementing a project till the next breeding season, funded by the forest department.

June 2017 is just six months away, what are the plans for the upcoming season?

We are all set to systematically study the population and estimate the number of gharials in the Gandak River in the next six months.  The emphasis will also be on identifying the river stretches critical for the species, to accord better protection to the habitat and take other conservation measures.

Population assessment will also be done in other tributaries of the Ganga in Bihar, where we speculate there is movement and presence of gharials. We will also try to locate more breeding sites, as we believe there are many more! Obviously, the involvement of locals in nest protection would be much more in the breeding site identified this year.

As a lay reader and wildlife enthusiast living the urban life, how can one make a positive contribution to gharial conservation?

There are many ways. Raise your voices on the issues and threats at regional or national level; visit gharial bearing areas to know more about this less popular species, it will also help convey the message of its importance to the local communities and authorities; contribute towards field level conservation actions by volunteering, funding support, and help the communities dependent on gharial habitat for sustenance. Gharial conservation needs all skill sets. Integrate your knowledge and expertise to do something innovative for the conservation of the gharial and its habitat.


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