Ecological and anthropogenic covariates ... - GANGAPEDIA

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populations of many riverine species. Alteration of flow regimes may also change the dynamics of the success of native and introduced species. The ability to identify, quantify and map the limiting factors for a species will enable the prediction of long term changes in the behavioural responses and population dynamics of the species. The long term changes in behavioural dynamics of gharials and response of the species to anthropogenic disturbance factors merit further study. Robust quantitative estimates of gharial populations are needed to objectively determine the status of gharials in the wild. This is vital to assess the success and validity of conservation measures, make management recommendations and design future conservation strategies for this highly endangered and charismatic species of freshwater riverine systems. References Arab, A., M.L. Wildhaber, C.K. Wikle, C.N. Gentry. 2008. Zero-inflated modeling of fish catch per unit area resulting from multiple gears—Application to channel catfish and shovelnose sturgeon in the Missouri River: North American Journal of Fisheries Management. 28. 4: 1044 - 1058. Breiman, L, J. H. Friedman, R. A. Olshen, and C. J. Stone. 1984. Classification and Regression Trees. Wadsworth, Belmont, 1984. Bunn, S.E. and A.H. Arthington. 2000. Basic principles and ecological consequences of altered flow regimes for aquatic biodiversity. Environmental Management 30, pp. 492–507. 37
Bustard, HR and LAK Singh. 1977. Studies on the Indian Gharial Gavialis gangeticus (GMELIN) (REPTILIA,CROCODILIA) – I: Estimation of body length from scute length. Indian Forester 103 (2): 140-149. Champion,H.G., Seth,S.K.,1968. A Revised Survey of the Forest Types of India. Manager of Publication, Delhi. pp. 404. Choudhury, B.C., Singh,LAK., Rao, R.J., Basu, D., Sharma,R.K., Hussain,S.A., Andrews,H.V., Whitaker,N., Whitaker,R., Lenin,J., Maskey,T., Cadi,A., Rashid,S.M.A., Choudhury,A.A., Dahal,B., Win Ko Ko, U., Thorbjarnarson, J and Ross, JP. 2007. Gavialis gangeticus. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. . Downloaded on 22 November 2009. Clarke, K.R., R.H. Green. 1988. Statistical design and analysis for a biological effects study. Marine Ecology Progression Series. 46: 213–226. Colorado State University. 2009. Estimating Soil Texture. www.cmg.colostate.edu. Cott, B. 1961. Scientific results of an inquiry into the ecology and economic status of the Nile crocodile (Crocodylus niloticus) in Uganda and Northern Rhodesia. Trans. Zool. Soc. London 29:211-356. Creel, S. and N. M. Creel. 1996. Communal hunting and pack size in African wild dogs, Lycaon pictus (vol 50, pg 1325, 1995). Animal Behaviour 51:499-499. Da Silva, C., Zeh J., Madigan D,, Laake J., Rugh D., Baraff L., Koski W., and Miller G. 2000. Capture-recapture estimation of bowhead whale population size using photo-identification data. Journal of Cetacean Management, 2:45–61. 38
Page 1 and 2: Ecological and anthropogenic covari
Page 3 and 4: variable data like river discharge,
Page 5 and 6: Table of Contents EXECUTIVE SUMMARY
Page 7 and 8: In the face of increasing proposals
Page 9 and 10: Chapter 1 Ecological and Anthropoge
Page 11 and 12: Introduction Humans live disproport
Page 13 and 14: Despite the release of over 5000 yo
Page 15 and 16: its 523 km run, the river passes th
Page 17 and 18: sites considered favourble based on
Page 19 and 20: correction factor for the float mea
Page 21 and 22: Variable (type) Measurement Details
Page 23 and 24: interpolation deriving from regiona
Page 25 and 26: the effects of covariates measured
Page 27 and 28: We compared Zero-Inflated Poisson (
Page 29 and 30: Assessing changes in habitat availa
Page 31 and 32: Figure 6: Box-and-whiskers plots co
Page 33 and 34: Occasion 1: Residual mean deviance
Page 35 and 36: Occasion 3: Residual mean deviance:
Page 37 and 38: Discussion Humans have preferential
Page 39 and 40: Tucker et al. (1997) report that pr
Page 41: once caught in the net are wary of
Page 45 and 46: Hutton, J. 1989. Movements, home ra
Page 47 and 48: Oliver, M.A., R. Webster. 1990. Kri
Page 49 and 50: Chapter 2 Photographic identificati
Page 51 and 52: Hussain, 2009); and is especially a
Page 53 and 54: data also enables the estimation of
Page 55 and 56: A 600km stretch of the Chambal Rive
Page 57 and 58: Marked animals were accorded no exc
Page 59 and 60: Single-crested region Figure 2: Lat
Page 61 and 62: A B C Capture: 07.02.2010 Figure 1.
Page 63 and 64: (Nichols, 1992). Since gharials are
Page 65 and 66: and Ross, JP. 2007. Gavialis ganget
Page 67 and 68: Mazzoil M., McCulloch S.D., Defran
Page 69 and 70: GENERAL CONCLUSION Humans have pref
Page 71 and 72: APPENDIX - 1 Figure 1: Scatter plot
Page 73 and 74: Figure 2: Scatter plots representin

Ecological and anthropogenic covariates ... - GANGAPEDIA

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