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Assessment of Crop Damage by Protected Wild Mammalian Herbivores on the Western Boundary of Tadoba-Andhari Tiger Reserve (TATR), Central India.

Bayani A, Tiwade D, Dongre A, Dongre AP, Phatak R, Watve M - PLoS ONE (2016)

Bottom Line: Since there is orders of magnitude difference between farmers' perception of damage and the compensation given by the government, an objective and realistic estimate of damage was found essential.These approaches highlight different aspects of the problem but converge on an estimated damage of over 50% for the fields adjacent to the forest, gradually reducing in intensity with distance.We found that the visual damage assessment method currently employed by the government for paying compensation to farmers was uncorrelated to and grossly underestimated actual damage.

View Article: PubMed Central - PubMed

Affiliation: Indian Institute of Science Education and Research (IISER), Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India.

ABSTRACT
Crop raiding by wild herbivores close to an area of protected wildlife is a serious problem that can potentially undermine conservation efforts. Since there is orders of magnitude difference between farmers' perception of damage and the compensation given by the government, an objective and realistic estimate of damage was found essential. We employed four different approaches to estimate the extent of and patterns in crop damage by wild herbivores along the western boundary of Tadoba-Andhari Tiger Reserve in the state of Maharashtra, central India. These approaches highlight different aspects of the problem but converge on an estimated damage of over 50% for the fields adjacent to the forest, gradually reducing in intensity with distance. We found that the visual damage assessment method currently employed by the government for paying compensation to farmers was uncorrelated to and grossly underestimated actual damage. The findings necessitate a radical rethinking of policies to assess, mitigate as well as compensate for crop damage caused by protected wildlife species.

No MeSH data available.


Related in: MedlinePlus

Trend of per day probability of damage pooled from three transect lines.For each of the observed weeks, per day Poisson probability of raid between every one kilometer interval was calculated from the fraction of undamaged farms from all the three transects. A: Trend in kharif season (r = -0.4525, p = 0.0001, n = 90); B: Trend in rabi season (r = -0.5455, p = 0.0001, n = 98). C: Trend in average number of machans per farm along the transects (r = -0.9310, p<0.0001, n = 10).
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pone.0153854.g002: Trend of per day probability of damage pooled from three transect lines.For each of the observed weeks, per day Poisson probability of raid between every one kilometer interval was calculated from the fraction of undamaged farms from all the three transects. A: Trend in kharif season (r = -0.4525, p = 0.0001, n = 90); B: Trend in rabi season (r = -0.5455, p = 0.0001, n = 98). C: Trend in average number of machans per farm along the transects (r = -0.9310, p<0.0001, n = 10).

Mentions: The mean frequency per night, calculated using Poisson probabilities, showed a decreasing trend with distance from the edge of forest (Fig 2A and 2B). Although both seasons showed a declining trend with distance, the damage frequency in kharif (Fig 2A) was nearly twice that in rabi (Fig 2B) over the 10 km stretch. This difference is likely to be owing to active guarding by farmers, which is difficult during monsoon and therefore not practiced.


Assessment of Crop Damage by Protected Wild Mammalian Herbivores on the Western Boundary of Tadoba-Andhari Tiger Reserve (TATR), Central India.

Bayani A, Tiwade D, Dongre A, Dongre AP, Phatak R, Watve M - PLoS ONE (2016)

Trend of per day probability of damage pooled from three transect lines.For each of the observed weeks, per day Poisson probability of raid between every one kilometer interval was calculated from the fraction of undamaged farms from all the three transects. A: Trend in kharif season (r = -0.4525, p = 0.0001, n = 90); B: Trend in rabi season (r = -0.5455, p = 0.0001, n = 98). C: Trend in average number of machans per farm along the transects (r = -0.9310, p<0.0001, n = 10).
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC4836666&req=5

pone.0153854.g002: Trend of per day probability of damage pooled from three transect lines.For each of the observed weeks, per day Poisson probability of raid between every one kilometer interval was calculated from the fraction of undamaged farms from all the three transects. A: Trend in kharif season (r = -0.4525, p = 0.0001, n = 90); B: Trend in rabi season (r = -0.5455, p = 0.0001, n = 98). C: Trend in average number of machans per farm along the transects (r = -0.9310, p<0.0001, n = 10).
Mentions: The mean frequency per night, calculated using Poisson probabilities, showed a decreasing trend with distance from the edge of forest (Fig 2A and 2B). Although both seasons showed a declining trend with distance, the damage frequency in kharif (Fig 2A) was nearly twice that in rabi (Fig 2B) over the 10 km stretch. This difference is likely to be owing to active guarding by farmers, which is difficult during monsoon and therefore not practiced.

Bottom Line: Since there is orders of magnitude difference between farmers' perception of damage and the compensation given by the government, an objective and realistic estimate of damage was found essential.These approaches highlight different aspects of the problem but converge on an estimated damage of over 50% for the fields adjacent to the forest, gradually reducing in intensity with distance.We found that the visual damage assessment method currently employed by the government for paying compensation to farmers was uncorrelated to and grossly underestimated actual damage.

View Article: PubMed Central - PubMed

Affiliation: Indian Institute of Science Education and Research (IISER), Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India.

ABSTRACT
Crop raiding by wild herbivores close to an area of protected wildlife is a serious problem that can potentially undermine conservation efforts. Since there is orders of magnitude difference between farmers' perception of damage and the compensation given by the government, an objective and realistic estimate of damage was found essential. We employed four different approaches to estimate the extent of and patterns in crop damage by wild herbivores along the western boundary of Tadoba-Andhari Tiger Reserve in the state of Maharashtra, central India. These approaches highlight different aspects of the problem but converge on an estimated damage of over 50% for the fields adjacent to the forest, gradually reducing in intensity with distance. We found that the visual damage assessment method currently employed by the government for paying compensation to farmers was uncorrelated to and grossly underestimated actual damage. The findings necessitate a radical rethinking of policies to assess, mitigate as well as compensate for crop damage caused by protected wildlife species.

No MeSH data available.


Related in: MedlinePlus