Results 41 to 50 of about 1,122,223 (383)
Three-fold way to extinction in populations of cyclically competing species [PDF]
, 2010 Species extinction occurs regularly and unavoidably in ecological systems. The time scales for extinction can broadly vary and inform on the ecosystem's stability.
Cremer J +6 more
core +2 more sources
Conservation of fishes in the Elands River, Mpumalanga, South Africa: Past, present and future
Koedoe: African Protected Area Conservation and Science, 2014 In an isolated reach, between two large natural waterfalls in the Elands River in Mpumalanga, populations of a critically endangered Kneria sp., the endangered Chiloglanis bifurcus and a genetically unique population of Labeobarbus polylepis occur.
Gordon C. O’Brien +2 more
doaj +1 more source
Behavioral and Neurobiological Mechanisms of Pavlovian and Instrumental Extinction Learning.
Physiological Reviews, 2020 This article reviews the behavioral neuroscience of extinction, the phenomenon in which a behavior that has been acquired through Pavlovian or instrumental (operant) learning decreases in strength when the outcome that reinforced it is removed ...
M. Bouton, Stephen Maren, G. McNally
semanticscholar +1 more source
A Quantitative Comparison of SMC, LMC, and Milky Way UV to NIR Extinction Curves
, 2003 We present an exhaustive, quantitative comparison of all of the known extinction curves in the Small and Large Magellanic Clouds (SMC and LMC) with our understanding of the general behavior of Milky Way extinction curves.
Aiello S. +12 more
core +1 more source
Journal of Threatened Taxa, 2015 We reviewed the local current status and summarized the suspected causes of rarity, and presumed major threats to the 84 rarest bird speciesin the state of Rio de Janeiro, southeastern Brazil.
Francisco Mallet-Rodrigues +1 more
doaj +1 more source
Impending extinction crisis of the world’s primates: Why primates matter
Science Advances, 2017 Impending extinction of the world’s primates due to human activities; immediate global attention is needed to reverse the trend. Nonhuman primates, our closest biological relatives, play important roles in the livelihoods, cultures, and religions of many
Alejandro Estrada +31 more
semanticscholar +1 more source
Bringing Neuroscientific Data to Sustainability: Embedded Data Stewardship in CRC 1280
Bausteine ForschungsdatenmanagementInformation Management (INF) projects are essential to the establishment of infrastructures for the management of research data and metadata in Collaborative Research Centers (CRCs) funded by the German Research Foundation (DFG).
Marlene Pacharra +2 more
doaj +1 more source
Humanities, 2013 Human actions have altered global environments and reduced biodiversity by causing extinctions and reducing the population sizes of surviving species. Increasing human population size and per capita resource use will continue to have direct and indirect ...
Patrick L. Hindmarsh +2 more
doaj +1 more source
The Extinction Towards the GRB970228 Field [PDF]
, 1998 We determine the local galactic extinction towards the field of gamma-ray burst GRB970228 using a variety of methods. We develop a maximum likelihood method for measuring the extinction by comparing galaxy counts in the field of interest to those in a ...
Brainerd T. G. +8 more
core +2 more sources