نتایج جستجو برای: aquatic plants

تعداد نتایج: 226596  

Journal: :caspian journal of environmental sciences 2014
al et s. balaly

the distribution and abundance of high aquatic plants in the gorganroud river was examined at five stations in four seasons (20 samples) over one year period during 2009-2010. we identified 21 species of aquatic plants from 21 genera, belonging to 9 families. these species were determined as 3 halophytic species (14.2%) and 18 high aquatic plants (85.7%).the highest species diversity was observ...

Journal: :international journal of marine science and engineering 2012
l. vahdatiraad h. khara

wetlands are often considered sinks for contaminants, and aquatic plants have been shown to play important roles in wetland biogeochemistry through their active and passive circulation of elements. in this research, in order to evaluate the concentration level of heavy metals released by the urban, industrial and agricultural activities at the margin of the rivers flowing into anzali lagoon, as...

Journal: :international journal of aquatic biology 0
svetlana kurbatova i.d. papanin institute for biology of inland waters, russian academy of sciences nina lapteva laboratory of experimental ecology, i.d. papanin institute for biology of inland waters, russian academy of sciences, 152742 borok, yaroslavskaya region, russian federation. svetlana bykova laboratory of experimental ecology, i.d. papanin institute for biology of inland waters, russian academy of sciences, 152742 borok, yaroslavskaya region, russian federation. igor yershov laboratory of experimental ecology, i.d. papanin institute for biology of inland waters, russian academy of sciences, 152742 borok, yaroslavskaya region, russian federation. yelena borisovskaya laboratory of experimental ecology, i.d. papanin institute for biology of inland waters, russian academy of sciences, 152742 borok, yaroslavskaya region, russian federation.

aquatic plants have a major influence upon other aquatic organisms, by altering both water chemistry and spatial structure of the habitat in shallow water bodies. some of them, such as stratiotes aloides l., may suppress algal growth. but how aquatic plants would ultimately influence the heterotrophic community and the aquatic ecosystem as a whole is far from clear. our microcosm-based study de...

2011

Ecology is the study of environmental systems, or as it is sometimes called, the economy of nature. "Environmental" usually means relating to the natural, versus human-made world; the "systems" means that ecology is, by its very nature, not interested in just the components of nature individually but especially in how the parts interact. Ecology is technically an academic discipline, such asmat...

2015
Jing Li Haixin Yu Yaning Luan Rao Bhamidiammarri Kiran Tota-Maharaj

The use of aquatic plants for phytoremediation is an important method for restoring polluted ecosystems. We sought to analyze the capacity of different aquatic plant species to absorb heavy metals and to summarize available relevant scientific data on this topic. We present a meta-analysis of Cu, Zn, and Cd absorption capacities of aquatic plants to provide a scientific basis for the selection ...

2007
M.N.V. Prasad

Aquatic macrophytes are represented by a variety of algal and macrophytic species that occur in many types of habitats. Members of Cyperaceae, Potamogetonaceae, Ranunculaceae, Typhaceae, Haloragaceae, Hydrocharitaceae, Najadaceae, Juncaceae, Pontederiaceae, Zosterophyllaceae, Lemnaceae, mainly represent aquatic plants. These plants are either emergent, submerged, or free floating. Some non-vasc...

al et S. Balaly

The distribution and abundance of high aquatic plants in the Gorganroud River was examined at five stations in four seasons (20 samples) over one year period during 2009-2010. We identified 21 species of aquatic plants from 21 genera, belonging to 9 families. These species were determined as 3 halophytic species (14.2%) and 18 high aquatic plants (85.7%).The highest species diversity was observ...

2018
Casper H. A. van Leeuwen

Many alien plants use animal vectors for dispersal of their diaspores (zoochory). If alien plants interact with native disperser animals, this can interfere with animal-mediated dispersal of native diaspores. Interference by alien species is known for frugivorous animals dispersing fruits of terrestrial plants by ingestion, transport and egestion (endozoochory). However, less attention has been...

Journal: :journal of sciences islamic republic of iran 0

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...

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