plants of hashilan, a 260 ha freshwater wetland, located at 35 km northwest of kermanshah, the provincial capital of kermanshah province, western iran, were studied. altogether, 116 species of plants (77 terrestrial and 39 aquatic) representing 96 genera and 42 families were identified. asteraceae with 11 genera and 13 species, poaceae 9 genera and 10 species, and cyperaceae with 6 genera and 9...

background : rooks are distributed all over iran and no information is available in the literature on their parasitic infec­tions. methods : one hundred twenty five rooks were examined at post-mortem for parasitic infections. results : two species of cestodes, 5 species of nematodes and 4 species of protozoa were found of which all were new host and distribution record. conclusion : rooks have ...

in order to investigate variations in plant diversity in dr. dorostkar's forest reservoir, located in gisoum talesh, 44 sampling plots were applied by the randomized-systematic method. the diameter of all tree species (dbh?5 cm) was measured in 400 m2 (20×20 m) square sampling plots. in addition, the number of individuals of shrubs and saplings (dbh?5 cm) were enumerated in circular 100 m2...

the systematics, morphology, distribution, biology, economic importance and conservation of the spiny eel ( mastacembelus mastacembelus ) of iran are described, the species is illustrated, and a bibliography on this fish is provided. the single species is distributed in southern iranian basins, including karkheh, karun, jarrahi and helleh river basins, mostly part of the tigris river and persia...

the genus phaneroserphus pschorn–walcher, 1958 is recorded for the first time from iran and its allied species, phaneroserphus punctibasis townes, 1981 is recorded from west palaearctic region for the first time. the specimens were collected from mazandaran province during 2011 using malaise traps. diagnostic characters and geographical distribution of the newly recorded genus and species is br...

the objective of this research was to study the relationships between edaphic and topographic factors with distribution of plant species. for this purpose, current study was conducted in eshtehard rangelands of tehran province. the sampling method was randomized–systematic and in each sampling unit, three parallel transects with 750 m length containing 45 quadrates (according to vegetation vari...