Results 121 to 130 of about 192,599 (270)
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 32, Issue 12, Page 1970-1982, December 2022., 2022 Abstract Marine Protected Areas (MPAs) are increasingly used as a management and conservation strategy. However, the effects of MPA implementation (i.e. restrictions on extractive use) on recreational fishers' spatial behaviour are often not considered.
Haley K. Fox +2 more
wiley +1 more source
Seasonal Stochastic Volatility and the Samuelson Effect in Agricultural Futures Markets [PDF]
arXiv, 2018 We introduce a multi-factor stochastic volatility model for commodities that incorporates seasonality and the Samuelson effect. Conditions on the seasonal term under which the corresponding volatility factor is well-defined are given, and five different specifications of the seasonality pattern are proposed.
arxiv
GENETICS OF NATURAL POPULATIONS. XVI. ALTITUDINAL AND SEASONAL CHANGES PRODUCED BY NATURAL SELECTION IN CERTAIN POPULATIONS OF DROSOPHILA PSEUDOOBSCURA AND DROSOPHILA PERSIMILIS [PDF]
, 1948 Theodosius Dobzhansky
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Agribusiness, EarlyView.Abstract The exponential expansion of the global cider market positions it as a viable alternative to traditional choices such as wine and beer. Nevertheless, there exists a paucity of research examining the various factors influencing consumer interest in cider.
Eva Parga Dans +3 more
wiley +1 more source
Accessible ecophysiological tools for seabird conservation
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 32, Issue 12, Page 1983-2002, December 2022., 2022 Abstract Seabirds are the most endangered avian taxa on Earth, with over a third of species globally threatened. To help slow their decline, conservation physiology seeks to determine how seabird responses to climatic and anthropogenic threats influence demographic processes, but it is not widely utilized in monitoring.
Edin A. Whitehead, Brendon J. Dunphy
wiley +1 more source
Zephyrus, 2009 Every generation believes in the originality of its contribution to science, though this may be determined by the intellectual vogues of the day. Recent years have seen developments in Archaeology which some describe as the «New Archaeology», whilst ...
Iain DAVIDSON
doaj
Local and Seasonal Variations in Relative Frequencies of Species of Drosophila in Brazil [PDF]
, 1950 Th. Dobzhansky, C. Pavan
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Agribusiness, EarlyView.Abstract The vegetable market experiences significant price fluctuations due to the complex interplay of trend, cyclical, seasonal, and irregular factors. This study takes Korean green onions as an example and employs the Christiano–Fitzgerald filter and the CensusX‐13 seasonal adjustment methods to decompose its price into four components: trend ...
Yiyang Qiao, Byeong‐il Ahn
wiley +1 more source
Suitability of Natura 2000 sites for threatened freshwater species under projected climate change
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 32, Issue 12, Page 1872-1887, December 2022., 2022 Abstract As part of the world's largest coordinated network of protected areas, Natura 2000, European Union member states designate special areas of conservation (SACs) to maintain or achieve favourable conservation status for imperilled aquatic species listed under Annex II of the Habitats Directive.
Timo Basen +4 more
wiley +1 more source
Seasonal Changes in the Energy Balance of the English Sparrow [PDF]
, 1955 Earle A. Davis
openalex +1 more source