Habitat Selection Of Freshwater-Dependent Cetacean

AQUATIC CONSERVATION: MARINE AND FRESHWATER ECOSYSTEMS Aquatic Conserv: Mar. Freshw. Ecosyst. (2008) release online in Wiley InterScience (www.interscience.wiley.com) DOI: 10.1002/aqc.987 Habitat selection of fresh water-dependent cetaceans and the potential e?ects of declining freshwater ?ows and sea-level rise in waterways of the Sundarbans mangrove forest, Bangladesh B.D. SMITHa,*, G. BRAULIKb, S. STRINDBERGa, R. MANSURc, M.A.A. DIYANc and B. AHMEDd b Wildlife preservation Society, 2300 Southern Boulevard, Bronx, New York 10460, USA Sea mammalian enquiry Unit, Gatty Marine Laboratory, University of St. Andrews, St.Andrews, Fife, KY16 8LB, USA c Bangladesh Cetacean sort Project, nKhulna, Bangladesh d Department of Zoology, Chittagong University, Chittagong, Bangladesh ABSTRACT 1. Generalized additive models of spy selective information for cetaceans collected during two surveys of waterways in the Sundarbans mangrove forest of Bangladesh indicated that group River do lphinfish Platanista gan modelica gangetica distribution was conditionally dependent (P50.05) on confused salinity, proud turbidity, and look into depth during both(prenominal) pitiable and high freshwater ?ow; and Irrawaddy dolphin Orcaella brevirostris distribution was conditionally dependent (P50.

05) on low salinity during high freshwater ?ow, high and moderate depths during low and high freshwater ?ow, individually; low and high-low extremes of turbidity during low and high freshwater ?ow, separately; and high temperature and change magnitude numbers of large humiliated channel con?uences during low freshwater ?ow. 2. According to sight data collected all over a 3-year ! terminus by the captains of three nature tourism vessels, there were signi? banking concern di?erences between the actual and expected frequencies of gang up River dolphin sightings and individuals according to various channel types (chi-square=64.22, P50.0001 and chi-square=134.14, P50.0001, respectively, df=6) and of Irrawaddy dolphin sightings and individuals (chi-square=15.28,...If you penury to get a full essay, order it on our website: BestEssayCheap.com

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