Results 141 to 150 of about 1,991,503 (333)

Nonlinear Markov branching processes with immigration and resurrection

Boundary Value Problems
The nonlinear Markov branching process with immigration and resurrection (NMBPIR) is considered in this paper. We give the criteria for regularity and uniqueness of NMBPIR, and then investigate the extinction probability and the mean extinction time ...
Zhang Lina, Li Zhenfang, Geng Shifeng
doaj   +1 more source

A model of macroevolution with a natural system size

, 1998
We describe a simple model of evolution which incorporates the branching and extinction of species lines, and also includes abiotic influences. A first principles approach is taken in which the probability for speciation and extinction are defined purely
Head, DA, Rodgers, GJ
core  

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

Biological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen, Mohamed Khalil Meliane, Zachery B. Holmes, Karl E. Miller, William J. Barichivich, Emilie Dedeban, Alex Furst, Miranda Imeri, Peyton E. Niebanck, Samantha Nunn, Kailee Pearson, Nicole Rita, Brier Ryver, Dakotah Shaffer, Susan C. Walls, E. Hance Ellington   +15 more
wiley   +1 more source

Loss, persistence and reversal of phenotypic traits

Biological Reviews, EarlyView.
ABSTRACT The irreversibility of complex trait loss has long been a tenet of evolutionary biology. However, this idea is increasingly at odds with the numerous documented exceptions across the Tree of Life. We synthesise this growing body of evidence across a diverse array of taxa and traits, exploring the evolutionary conditions that enable ...
Giobbe Forni, Giuseppe Fusco, Filippo Nicolini, Heather Bruce, Andrea Luchetti   +4 more
wiley   +1 more source

Probability of extinction for the Western population under the sex ratio scenario.

, 2013
For a given number of released females, releasing more than 2 males increases the probability of extinction by biasing the population adult sex ratio toward males.
Pierre-Yves Quenette (369648), Guillaume Chapron (369646), Jean-Jacques Camarra (369649), Robert Wielgus (369647)   +3 more
core   +1 more source

Counting cases, conserving species: addressing highly pathogenic avian influenza in wildlife

Biological Reviews, EarlyView.
ABSTRACT Highly pathogenic avian influenza (HPAI) has become a critical threat to wildlife, shifting from a seasonal epizootic to a persistent, year‐round panzootic with global consequences. Here, we summarise the origin, evolutionary mechanisms, and expanding host range of the current H5N1 virus (clade 2.3.4.4b) and assess its impact on wildlife. Over
Ulrich Knief, Sandra Bouwhuis, Anja Globig, Anne Günther, Wouter Courtens   +4 more
wiley   +1 more source

Fixation and extinction in time-fluctuating spatially structured metapopulations

Physical Review Research
Bacteria evolve in volatile environments and complex spatial structures. Migration, fluctuations, and environmental variability therefore have a significant impact on the evolution of microbial populations. Here, we consider a class of spatially explicit
Matthew Asker, Mohamed Swailem, Uwe C. Täuber, Mauro Mobilia   +3 more
doaj   +1 more source

What drives animal responses to high severity fire? The role of functional traits

Biological Reviews, EarlyView.
ABSTRACT Fire regimes are changing worldwide, with increases in the frequency, extent, and severity of fires posing growing risks to biodiversity. Fire severity – the degree of habitat alteration following fire – strongly influences both immediate survival and long‐term recovery of fauna.
Grace A. Vielleux, Trent D. Penman, Victoria A. Reynolds, Matthew H. Swan   +3 more
wiley   +1 more source

Detecting extirpation: A localized approach to a global problem

Plants, People, Planet
Societal Impact Statement The global biodiversity crisis stems from a cascading series of extirpations driving species toward extinction. Addressing this crisis requires methods for early detection of extinction at local scales, where communities can ...
Andrew D. F. Simon, Antranig Basman, R. Adam Martin, Caitlin Robinson, Quentin Cronk   +4 more
doaj   +1 more source

Finite time extinction of superprocesses with catalysts

, 2000
Consider a catalytic super-Brownian motion $ X = X^\Gamma $ with finite variance branching. Here "catalytic" means that branching of the reactant $ X $ is only possible in the presence of some catalyst.
Dawson, Donald A., Mueller, Carl, Fleischmann, Klaus   +2 more
core   +1 more source