Abstract
The Asiatic Lion population has increased in the last three decades, which now occupies a large regional spread with six or more identified satellite populations in eight districts of Gujarat. An overlap of lion habitat with human-dominated landscape elements leads to an increase in lion-human interactions in these growing satellite populations. A high rate of lion mortality has been observed in the periphery of Gir in the last decade due to falls into open dug wells. These wells have been excavated for irrigation in the agricultural landscape of Gir. About 145 wild animals including lions have died due to accidental falls into open wells in past 10 years. It has been observed that construction of parapet walls around wells in some of the peripheral areas of Gir Sanctuary have prevented this accidental mortality at very low cost. To assess the efficiency of these measures we did a survey of 20 random villages in the Gir Lion Landscape to collect data on the types of wells that cause this uncalled-for mortality. The paper explores the reasons for the lions falling into wells in the agricultural areas outside the Gir Sanctuary. The survey has shown that the corridors used by lions and in the satellite population areas are high risk sites where more parapet walls should be built on a priority basis. From the year 2007 to 2018 more than 48,000 parapet walls have already been randomly built in the periphery of the Gir Sanctuary. Out of 130 identified wells, 90 were protected with parapet wall or iron net while, 32 were without parapet wall and rest eight were with unfinished parapet wall. Providing a scheme for building more parapet walls around prioritized open wells would be an effective step towards Asiatic Lion conservation in the Gir Lion Landscape. Our survey indicates that there has been no mortality of lions in those wells where parapet walls have been built.
Highlights
The population of Asiatic Lions in India saw a decline in Gir Sanctuary before 1990s (Singh 2017)
In 2007, the Gujarat Forest Department (GFD) began to construct a few low-cost parapet walls around the wells for local farmers to see if the innovative measure would prevent high level of accidental mortality of lions and other wild animals
Our study has indicated that parapet wall construction around wells is a possible measure to prevent lion mortality
Summary
The population of Asiatic Lions in India saw a decline in Gir Sanctuary before 1990s (Singh 2017). In 2007, the GFD began to construct a few low-cost parapet walls around the wells for local farmers to see if the innovative measure would prevent high level of accidental mortality of lions and other wild animals. The support of local people, GFD, Gram-Panchayats, Biodiversity Management Committees under the Biodiversity Act 2002, and CSR funds from industry, would have to be generated It would, be cost effective if sites for building walls around open wells are focused on high risk areas. Be cost effective if sites for building walls around open wells are focused on high risk areas This should focus on lion movement corridors and the identified resident or temporary satellite populations of lions outside the Gir PA. The lions had already occupied the visited villages in the study area 30 years back and the seasonal rivers of the study area are frequently used as a corridors for lion movement across the landscape (Figure 2)
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