Results 241 to 250 of about 1,693,038 (297)

Partners or passengers? Revisiting the association between diatoms and aquatic animals

Biological Reviews, EarlyView.
ABSTRACT Numerous studies have revealed the importance of research on the communities capable of colonizing animal surfaces (epibionts) and the animals on which they live (basibionts). Very few studies have considered epizoic diatoms, and there are gaps and biases in our knowledge, including the choice of basibionts, the methods used, and the habitats ...
Gianluca Vacca, Elisa Falasco, Francesca Bona   +2 more
wiley   +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

Evidence for adaptive explanations of semelparity in animals

Biological Reviews, EarlyView.
ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher, Roberto Salguero‐Gómez   +1 more
wiley   +1 more source

Seasonal variability of Mediterranean Outflow

, 2017
openaire   +1 more source

Maintenance of the seasonal cycle and the interannual variability by intra-seasonal chaotic variability in the equatorial Atlantic

, 2017
openaire   +1 more source

Maintenance of the seasonal cycle and the interannual variability by intra-seasonal stochastic variability in the equatorial Atlantic

, 2017
openaire   +1 more source

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The Variability of Seasonality

Journal of Climate, 2005
AbstractSeasons are the complex nonlinear response of the physical climate system to regular annual solar forcing. There is no a priori reason why they should remain fixed/invariant from year to year, as is often assumed in climate studies when extracting the seasonal component.
A. Hannachi, D. B. Stephenson, S. Pezzulli   +2 more
openaire   +1 more source

Seasonal variability of venous thromboembolism

Current Opinion in Pulmonary Medicine, 2009
Seasonal variations in the incidence of cardiovascular disease, mainly characterized by a winter peak, have been consistently reported. Some evidence now also exists on potential seasonal variations in the incidence of venous thromboembolism (VTE).
DENTALI, FRANCESCO, Manfredini R, AGENO, WALTER   +2 more
openaire   +3 more sources

Dummy Variables and Seasonality—A Curio

The American Statistician, 1974
D (x) = { y: fo (y) k (y, x)fo (x), where k > 0 is constant w.r.t. 0}. Then, o e-ex y E D (x) > fo (y) k(y, x)fo(x) 0Eex andfo(y) k(y, x)fo(x) e-ex ex ?fo(y) Oand fo(y) /fo(x) _k ex X - OX C e - O andfe(y)/fe(x) - k ex X y C Ox and fo (y) /fo (x) k.
Richard D. Green, John P. Doll
openaire   +1 more source

Seasonal climatic variability

Atmosphere-Ocean, 1981
Abstract An analysis of variance of the 1000–500 mb thickness field is performed to investigate the possibility of seasonal change in climatic variability during the period 1949 to 1975. The mean thickness and measures of transient eddy, standing eddy and north‐south variance, averaged over the region from 25°N to the Pole, are analysed for the annual ...
G. J. Boer, K. Higuchi
openaire   +1 more source