The present study aims to recognize dhow prawn trawl by-catch from Hormuzgan coastal waters (Northeast Persian Gulf). Sampling was carried out of 36 hauls by using traditionally wooden dhow among prawn fishing season in 2011. The catch composition consisted of 31.66% target species prawns, mainly banana prawn (Penaeus merguiensis) and 68.34% by-catch. The total by-catch was 4,622.67kg com...

during a five years survey in markazi province, 136 species related to 42 bird's family have been identified, that include 27% of the birds' species and 58% of the birds families of iran. (iranian birds). 36% of birds were endemic and 64% were migrant. cosidering the species variety in markazi province, sylvidae family is number one. the population of corvidae family are more than oth...

Hormoz Island with 41 km³ area located in south of Bandar Abbas in  Hormozgan Province in 27º 2´ to 27º 6´ N and 56º 25´ to 56º 31´ E geographical position. In this study, 191 species are introduced. These species belong to 44 families (One family of Angiosperms, 40 families of  Dicotyledones and 3 families of  Monocotyledones) and 142 genera. Of the species recognized, nine species (4.7%) are ...

A 3,000 m2 area of seasonally inundated forest on the island of Ilha do Mel (25 degrees 30" S 48 degrees 23" W) in Paraná, Brazil, was sampled by collecting plants from all strata, using climbing equipment when necessary. The area harbors 103 species of epiphytes, in 49 genera and 20 families, of which 28 species are pteridophytes and 75 magnoliophytes (64 Liliopsida, 11 Magnoliopsida). The mos...

Objective: In soil habitats, mesostigmatic mites (Acari: Mesostigmata) are among the most important predators of smallarthropods and nematodes. Methods: A study was carried out during 2009-2010 to identify theirfauna in Khorramabad county, Western Iran. Soil samples were taken from different regions. Mites were extracted by Berlese-Tullgren funnel and cleared in nesbit fluid. Microscopic slides...

Objective: In soil habitats, mesostigmatic mites (Acari: Mesostigmata) are among the most important predators of smallarthropods and nematodes. Methods: A study was carried out during 2009-2010 to identify theirfauna in Khorramabad county, Western Iran. Soil samples were taken from different regions. Mites were extracted by Berlese-Tullgren funnel and cleared in nesbit fluid. Microscopic slides...

for the purpose of sustainable exploitation of the fishery resources of oni river, ogun state, nigeria, the fish biodiversity assessment was carried out. this was conducted by enumerating and identifying fish species composition, measuring the fish length, fish weight, assessing the fish abundance and biomass, determining the length-weight relationships and the length-frequency of the fishes. a...

Recognition of habitats and conditions of species presences in differentsituations can be effective in proper utilization of vegetation. Little is known about thevegetation composition of Boralan Mountain region located in North West of Iran in theborder of Turkey and Azerbaijan with the altitude range of 800-2000m. The aim of thisstudy therefore was to investigate the floristic composition qua...

During a survey of Gahar Lake and Gahar River from 2008 to 2009 some specimen obtained by seasonal sampling in 6 stations, 3 stations in the lake and 3 stations in the river. Three different methods were used for sampling, gill net and hook in the lake and electrofishing in the river. Due to the results 3 species from 2 families in Gahar Lake and 12 species form 3 families in Gahar River were...