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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
The Behavioural Response Of Migrating Humpback Whales To A Full Seismic Airgun Array, Rebecca A. Dunlop, Michael J. Noad, Robert D. Mccauley, Eric Kniest, Robert Slade, David Paton, Douglas H. Cato
The Behavioural Response Of Migrating Humpback Whales To A Full Seismic Airgun Array, Rebecca A. Dunlop, Michael J. Noad, Robert D. Mccauley, Eric Kniest, Robert Slade, David Paton, Douglas H. Cato
Anthropogenics and Population Decline Collection
Despite concerns on the effects of noise from seismic survey airguns on marine organisms, there remains uncertainty as to the biological significance of any response. This study quantifies and interprets the response of migrating humpback whales (Megaptera novaeangliae) to a 3130 in3 (51.3l) commercial airgun array. We compare the behavioural responses to active trials (array operational; n = 34 whale groups), with responses to control trials (source vessel towing the array while silent; n = 33) and baseline studies of normal behaviour in the absence of the vessel (n = 85). No abnormal behaviours were recorded …
Mismeasured Mortality: Correcting Estimates Of Wolf Poaching In The United States, Adrian Treves, Kyle A. Artelle, Chris T. Darimont, David R. Parsons
Mismeasured Mortality: Correcting Estimates Of Wolf Poaching In The United States, Adrian Treves, Kyle A. Artelle, Chris T. Darimont, David R. Parsons
Wildlife Population Management Collection
Measuring rates and causes of mortalities is important in animal ecology and management. Observing the fates of known individuals is a common method of estimating life history variables, including mortality patterns. It has long been assumed that data lost when known animals disappear were unbiased. We test and reject this assumption under conditions common to most, if not all, studies using marked animals. We illustrate the bias for 4 endangered wolf populations in the United States by reanalyzing data and assumptions about the known and unknown fates of marked wolves to calculate the degree to which risks of different causes …
Surveys Of The Street And Private Dog Population: Jamnagar, Gujarat India, Tamara Kartal, Amit Chaudhari
Surveys Of The Street And Private Dog Population: Jamnagar, Gujarat India, Tamara Kartal, Amit Chaudhari
Stray and Feral Animal Populations Collection
Humane Society International (HSI) conducted two dog population surveys in all 4 Zones of Jamnagar (human population of 609,613). One was a street dog survey and the other was a survey of the private (pet) dog population.
Marine Mammals In Asian Societies; Trends In Consumption, Bait, And Traditional Use, Lindsay Porter, Hong Yu Lai
Marine Mammals In Asian Societies; Trends In Consumption, Bait, And Traditional Use, Lindsay Porter, Hong Yu Lai
Anthropogenics and Population Decline Collection
In Asia many marine mammal species are consumed as food or for other purposes. The prevalence of this exploitation appears to increase from west to east. An escalating use of marine mammals and the emergence of commercialization of a trade in marine mammals is supported by:
- Regular documentation of both open and covert trade;
- A shift in focus in some diminishing traditional hunts to other marine mammal species;
- A possible revival in some targeted hunts, which had previously ceased;
- The recent implication of some cultures, which have little history of marine mammal consumption previously, in targeted hunts; and
- The growing …