منابع مشابه
Seascape genetics along a steep cline: using genetic patterns to test predictions of marine larval dispersal.
Coupled biological and physical oceanographic models are powerful tools for studying connectivity among marine populations because they simulate the movement of larvae based on ocean currents and larval characteristics. However, while the models themselves have been parameterized and verified with physical empirical data, the simulated patterns of connectivity have rarely been compared to field...
متن کاملMycorrhizal colonization of Pinus muricata from resistant propagules after a stand- replacing wildfire
"Department of Aquatic Ecology and Environmental Biology, University of Nijmegen, 6525 ED Nijmegen, The Netherlands #Department of Forest Science, Oregon State University, Corvallis, OR 97331, USA $Department of Botany and Plant Pathology, Oregon State University, 2082 Cordley Hall, Corvallis, OR 97331, USA %Plant and Microbial Biology, 111 Koshland Hall, University of California, Berkeley, CA ...
متن کاملPriority effects determine the outcome of ectomycorrhizal competition between two Rhizopogon species colonizing Pinus muricata seedlings.
Competition is often considered a fundamental process influencing assemblage structure, yet little is known about competition among ectomycorrhizal (EM) fungi. Here, we examine competitive interactions between Rhizopogon occidentalis and Rhizopogon salebrosus in a 6-month microcosm study. Pinus muricata seedlings were grown in three EM treatments: R. occidentalis, R. salebrosus, and R. occident...
متن کاملGenetic drift in a cline.
A model is developed of genetic drift in a cline maintained by spatially varying natural selection and local dispersal of individuals. The model is analyzed by an approximation scheme which is valid for weak selection and small migration rates. The results, which are based on numerical iterations of the approximate equations, are that the cline is less steep than predicted on the basis of the d...
متن کاملVariation in susceptibility to pitch canker disease, caused by Fusarium circinatum , in native stands of Pinus muricata
Two hundred Pinus muricata trees, located within a native forest near Monterey, California, were inoculated with the pitch canker pathogen. Treated branches were removed 10–13 weeks following the initial inoculation, and the lengths of the lesions that developed at each of the inoculation sites were measured. Results indicated that bishop pine exhibits a wide range of variation in susceptibilit...
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ژورنال
عنوان ژورنال: Evolution
سال: 1983
ISSN: 0014-3820
DOI: 10.1111/j.1558-5646.1983.tb05541.x