Temporal variation in bird assemblages 1 1 Temporal variation in bird assemblages : how representative is a one - year snapshot ?
نویسندگان
چکیده
Wildlife Ecology Research Group, School of Biological Sciences, Monash University, Victoria 3800, Australia 2 Department of Psychology, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Victoria, 3800, Australia Applied Ornithology Group, The Johnstone Centre, Charles Sturt University, Thurgoona NSW 2640 Australia Australian Centre for Biodiversity: Analysis, Policy and Management Department of Biological Sciences, Monash University, Victoria 3800, Australia
منابع مشابه
Temporal Beta Diversity of Bird Assemblages in Agricultural Landscapes: Land Cover Change vs. Stochastic Processes
Temporal variation in the composition of species assemblages could be the result of deterministic processes driven by environmental change and/or stochastic processes of colonization and local extinction. Here, we analyzed the relative roles of deterministic and stochastic processes on bird assemblages in an agricultural landscape of southwestern France. We first assessed the impact of land cov...
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Gastropod assemblages were investigated along intertidal rocky shore in the Qeshm Island in the northern Persian Gulf. Monthly sampling was undertaken from May 2007 to April 2008. Environmental factors were also measured in each site. A total of 28 gastropod taxa belonging to 15 families were identified and Cerithiidae was the most abundant family and Cerithium caeruleum was the most abundant...
متن کاملتأثیر اندازه و شکل لکههای درختزار بر غنا و تنوع گونهای پرندگان در منطقه حفاظت شده کرکس
Determining landscape parameters influencing species richness of habitat patches is one of the most important issues in conservation biology. Many previous studies have investigated the influence of habitat parameters on bird assemblages in forest patches, but studies seeking effects of oasis parameters on bird assemblages are very scarce. Karkas Protected Area is located in semi-arid zone in...
متن کاملSpatial and Temporal Variation in Copepod Community in the Helleh River Estuary – South Coast of Iran, Persian Gulf
Copepods are the main zooplankton assemblages in most tropical and semi-tropical estuaries. In this research, copepod population dynamics were investigated in Helleh River estuary, Persian Gulf during four seasons beginning from summer 2011 to spring 2012. Samples were taken using plankton net with mesh size of 140 µm and vertical towing from 5 fixed-stations in mid-season. Results showed that...
متن کاملA quantitative analysis of temporal turnover in aquatic species assemblages across ecosystems.
Recent meta-analyses have shown that beta diversity through space is jointly driven by species traits, geographical gradients, and ecosystem properties. Spatial variation is, however, only one aspect of beta diversity. The other component is variation in species assemblages through time, that is, temporal turnover. We examined the decrease of assemblage similarity in time in aquatic ecosystems ...
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