Search Results - "Ravkin, Iu S"

Some problems of studying spatial heterogeneity of animal communities by Ravkin, Iu S

“…The efficiency of different techniques of data collection and processing was considered by the example of bird communities. Accounted variance of the…”
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Fleas (Siphonaptera) infesting birds of West Siberian plain by Sapegina, V F, Ravkin, Iu S

“…The four species of fleas associated with birds in West Siberian Plain have been recorded. Ceratophyllus styx is a specific parasite of Riparia riparia…”
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The characteristics of the morphological study of the animal population on zonal transects (the initial concepts and assumptions) by Ravkin, Iu S

“…The article briefly describes the original concepts of morphological studies of animal communities. The use of geographic and structural approaches for…”
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Classification of the avian summer population of the Western Siberian plain by Ravkin, Iu S, Vartapetov, L G, Iudkin, V A, Milovidov, S P, Toropov, K V, Tsybulin, S M, Zhukov, V S, Fomin, B N, Adam, A M, Pokrovskaia, I V, Ananin, A A, Panteleev, P A, Solov'ev, S A, Vakhrushev, A A, Ravkin, E S, Blinova, T K, Shor, E L, Polushkin, D M, Kozlenko, A B, Anufriev, V M, Tertitskiĭ, G M

“…The proposed classification system reflects the difference between the three population systems: unbuilt land, built-up land, and aquatic-semiaquatic…”
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