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Full-Text Articles in Life Sciences

Predicting Fish Species Diversity In Lotic Freshwaters Of Greece, Eugene G. Maurakis, David V. Grimes Oct 2003

Predicting Fish Species Diversity In Lotic Freshwaters Of Greece, Eugene G. Maurakis, David V. Grimes

Virginia Journal of Science

Objectives were to test the hypothesis that stream order and stream width alone account for species diversity in drainages of Greece, and to create a mathematical model that predicts fish diversity in small and medium sized freshwater streams in the southern Balkan Peninsula in accord with the stream classification system proposed by the European Environmental Agency (EEA). Thirty-seven species of fishes in 12 families (Petromyzontidae, Anguillidae, Cyprinidae, Moronidae, Centrarchidae, and Blenniidae) were collected in five stream orders (1-5) from 19 river drainages in Greece in 1993 and from 2000-2002. Numbers of species were significantly correlated with stream order (+), width …


Identification Key To Fishes In Fresh Waters Of Greece, Eugene G. Maurakis, Panos S. Economidis Oct 2003

Identification Key To Fishes In Fresh Waters Of Greece, Eugene G. Maurakis, Panos S. Economidis

Virginia Journal of Science

The European Environmental Agency formulated a biodiversity initiative in 1996 specifying a freshwater stream-monitoring program to inventory, identify and describe aquatic and terrestrial species in European Union countries. With one of the richest freshwater ichthyofaunas in Europe (126 fish taxa: 97 species and 29 subspecies of primary or secondary freshwater fishes), Greece has two extinct fish species, five listed as critically endangered, and 29 considered endangered and/or vulnerable. There are, however, no published identification guides that are available for identifying fish specimens from fresh waters in Greece. We present an English translation of the only available identification key (in Greek) …


Empirical Orthogonal Function Analysis Of Avhrr Sea Surface Temperature Patterns In Taiwan Strait, Ming-An Lee, Ching-Dong Yeah, Chao-Hsiung Cheng, Jui-Wen Chan, Kuo-Tien Lee Mar 2003

Empirical Orthogonal Function Analysis Of Avhrr Sea Surface Temperature Patterns In Taiwan Strait, Ming-An Lee, Ching-Dong Yeah, Chao-Hsiung Cheng, Jui-Wen Chan, Kuo-Tien Lee

Journal of Marine Science and Technology

Empirical orthogonal function (EOF) analysis was used to study a time-series of the Advanced Very High Resolution Radiometer (AVHRR) imageries from the waters of Taiwan Strait to examine the temporal and spatial characteristics and to determine the dominant pattern of sea surface temperature (SST) variability for 72 months from January 1996 to December 2001. The spatial variance was consistent with a quasi-permanent front at the Chang-Yuen Ridge in winter and associated with strong temperature contrast to the Kuroshio branch or the South China Sea Warm Current. It also displayed a cool water plume extending from the Peng-Hu Islands to Formosa …