نتایج جستجو برای: potamogeton berchtoldii
تعداد نتایج: 310 فیلتر نتایج به سال:
Macrophytes play a crucial role in the functioning of lake ecosystems. Until now most macrophyte models neglected the fact that the majority of macrophyte species expand clonally during the growing season. Inclusion of a detailed description of clonal growth in models can facilitate our understanding of space occupation and patch expansion and predict future macrophyte development. “CLOMO” is a...
As a national key protection and restoration project, ecological of Baiyangdian Wetland has an important significance for environmental management. the research area in Zaozhadian wetland, purification effect warm season cold aquatic plants was studied under different overflying water qualities. It provides theoretical experimental basis environment management wetlands. The results showed that ...
The studies of the aquatic vascular macrophytes flora water bodies in forest cluster National park «Shushensky Bor» and its vicinities located Minusinsky steppe basin south Krasnoyarsk territory are resulted. list species plants includes 99 taxa belonging to 54 genera 33 families. Families Potamogetonaceae (2 genera, 13 species), Cyperaceae (5 12 Lentibulariaceae (1 genus, 6 Poaceae (6 Polygona...
گیاه Rupr. Potamogeton friesii برای اولین بار به عنوان گونه ای جدیدی برای محدوده فلور ایرانیکا گزارش می شود. این گونه از استان های چهارمحال و بختیاری، گیلان، اصفهان و خوزستان جمع آوری شده است. صفات کلیدی جدا کننده آن با گونه های نزدیک شامل عرض برگ بیشتر، تعداد 5-7 رگبرگ و گوشوارک های دو قسمتی و در حالت تازه به رنگ قرمز مایل به قهوه ای است. در این مقاله توصیف این گونه به همراه تصویر، صف...
The present paper is based on the results of taxonomic research work conducted in Dera Ismail Khan District of KPK, Pakistan, during 2005 - 2007. The area was extensively surveyed in order to collect floating aquatic weeds. From the study area 11 floating aquatic weed species belonging to 9 genera and 9 families were collected and identified in the light of available literature. These plants in...
Ammonium Preference: Agrostis canina (velvet bentgrass) Amphibolis antarctica (a seagrass) Callitriche hamulata (a water starwort) Ceratophyllum demersum (hornwort) Cymodocea rotundata (a seagrass) Drepanocladus fluitans (an aquatic moss) Eichhornia crassipes (water hyacinth) Elodea densa (Anacharis) Elodea nuttallii (Western waterweed) Fontinalis antipyretica (willow moss) Halodule uninervis (...
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