نتایج جستجو برای: mahshahr creeks
تعداد نتایج: 657 فیلتر نتایج به سال:
The Okaloosa darter (Etheostoma okaloosae) is a diminutive, perch-like, benthic fish that inhabits only six small, clear, and shallow creek systems flow almost entirely within Eglin Air Force Base in the panhandle of northwest Florida. Listed as Endangered by U.S. Fish Wildlife Service (USFWS) 1973, improvements erosion control habitat restoration led to being downlisted from Threatened 2011. H...
this study reports the incidence of histological alterations in morphometric changes in the liver and ovary of acanthopagrus latus collected from an urban stream impaired by anthropogenic activities and from a clean site (reference). mercury concentration was determined using a standard cold vapor atomic absorption. the results showed that mercury concentration at the creek waters, and speciall...
This study aimed to assess the ecological status of Khamir, Tiyab and Jagin creeks and the impact of human activities on the studied ecosystems using AMBI biological indicator. During the study period, 165 macro-benthos taxa belong to seven phyla including Annelids (65 taxa), Mollusca (65 taxa), Arthropods (28 taxa), Echinoderms (3 taxa), Hydrozoans (2 taxa), Nemertea (1 taxon) and Nematoda (1 ...
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