Estimating the pattern of synchrony in fluctuating populations
نویسندگان
چکیده
STEINAR ENGEN*, RUSSELL LANDE†, BERNT-ERIK SÆTHER‡ and THOMAS BREGNBALLE§ * Department of Mathematical Sciences, Norwegian University of Science and Technology, N-7491 Trondheim, Norway; † Department of Biology 0116, University of California − San Diego, La Jolla, CA 92093, USA; ‡ Department of Zoology, Norwegian University of Science and Technology, N-7491-Trondheim, Norway; and § National Environmental Research Institute, Department of Coastal Zone Ecology, Kalø, Grenåvej 12, DK 8410 Rønde, Denmark
منابع مشابه
Modeling of vegetation index and land surface temperature to identify and compare the changing trends, using generalized estimating equations
Normalized difference vegetation index and land surface temperature data, in a sample plot each from east, center and west of Nepal, from 2000 to 2015, were analyzed to identify and compare the trends of vegetation and temperature changes during the period. The data were obtained from moderate resolutions imaging spectro-radiometer. Normalized difference vegetation index charactiszes a resoluti...
متن کاملDoes the pattern of population synchrony through space reveal if the Moran effect is acting?
The populations of many species fluctuate in synchrony across large geographical areas. This synchrony is often attributed to the Moran effect, that is, shared environmental fluctuations across the region. In this article, I use a series of simple metapopulation models to show that the degree of synchrony among populations separated by different distances is strongly affected by the particular ...
متن کاملEvaluation and Comparison of the Efficiency of Different Molecular Markers in Estimating Genetic Distance of Different Persian Oak (Quercus brantii Lindi.) Populations in Lorestan Province, Iran
Estimation of genetic diversity and evaluation of plant germplasm is the most important step in collection and management of plant genetic resources. Also, comparison of different DNA-based genetic markers in diversity evaluation and then advising the most efficient markers is very important. In order to investigate genetic variation among Persian oak (Quercus brantii Lindi.) populations of Lor...
متن کاملThe efficiency of sampling indices in estimating the spatial pattern of wooden species in central zagros forests (Kalkhani forest in Kouhdasht, Lorestan province, Iran)
It is so important to apply suitable methods to have a reliable estimation of the spatial distribution of trees. This research was aimed to determine and evaluate the spatial pattern of five species by distance- and density-based indices (Quercus brantii, Acer moncepesulanum, Crataegus aronia, Pistacia atlantica & Amygdalus lycioides) in the Kalkhani Forest in Koudasht Lorestan province, Iran. ...
متن کاملSpatial Distribution Pattern of Tetranychus urticae Koch (Acari: Tetranychidae) on Different Rosa Cultivars in Greenhouse Tehran
The two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), is an economically important pest of ornamental plant in Iran. The population abundance and spatial distribution were studied on five Rosa cultivars including Maroussia, Wendela, Elderado, Wenedetta, and Hot Lady during two growing seasons of 2011 and 2012 in greenhouse. The k parameter, index of dispersion, Lloyd’s m...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2005