Results 131 to 140 of about 116,028 (352)

CheckEM: An open‐source toolkit for standardising, cleaning and visualising stereo‐video fish survey data

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Effective research and monitoring requires accurate, interoperable and representative data. Stereo‐video based methods are commonly used to survey fish and are rapidly expanding globally due to their cost‐effectiveness, ability to provide accurate body size measurements, non‐destructive approach and capacity to create permanent data records ...
Brooke A. Gibbons   +16 more
wiley   +1 more source

Sharks [PDF]

open access: yesThe American Biology Teacher, 2020
  +4 more sources

Spartan Daily, May 9, 2013 [PDF]

open access: yes, 2013
Volume 140, Issue 52https://scholarworks.sjsu.edu/spartandaily/1419/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Challenges of Monitoring Endangered Bryde's Whales During a Period of Rapid Environmental Change

open access: yesAnimal Conservation, EarlyView.
Estimating population size is challenging for rare and elusive species that occur at low densities and are difficult to detect during sampling. We estimated the abundance of a Nationally critical whale species—Aotearoa New Zealand Bryde's whales—using a custom‐formulated POPAN model which incorporated transience to account for their complex residency ...
A. S. Cranswick   +7 more
wiley   +1 more source

Polarization over the priority of political problems

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract What drives ideological division about political problems? When prioritizing which problems are most in need of redress, voters might disagree about the severity of individual outcomes that constitute such problems; the prevalence of those problems; or whether such problems are amenable to solution by government action. We field a large survey
Benjamin E. Lauderdale, Jack Blumenau
wiley   +1 more source

The role of two anatomically separate olfactory bulbs in shark food odor tracking [PDF]

open access: yes, 2017
Most sharks have well-developed olfactory systems and depend to a large degree on odor information to locate food, home and navigate, and possibly detect predators and mates.
Lohe, Adrienne
core   +1 more source

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