Description
The land-use patterns, combined with the biotic interactions, are likely to substantially affect the grass community of tropical wetlands. However, we need more information to understand the vegetation cover and, particularly, the diversity of grasses in the protected sites, where the naturally occurring interactions with extreme complexity. Hence a thorough understanding of these interactive effects on grass dynamics would help develop wildlife management guidelines to predict the grass-woody herbs and other associated vegetation. In light of this, a beta vegetation survey and diversity analysis in two varying wetland ecosystems of natural mountain streams and temporary ponds. Grass communities occurred along the Pambar and Thalayar natural freshwater streams of south Western Ghats, Theni District, Tamil Nadu, and desiccate benthic surfaces and the raised bunds of three adjoining ephemeral Bird Sanctuary Ponds, situated in Sivagangi District, Tamil Nadu, India. Here, the result obtained from the vegetation survey, Sorenson's similarity analysis, Margleaf's richness index and biodiversity indices. Many grass communities make the riparian habitat with a higher ratio of grass to woody and a lesser proportion of grass to herbaceous vegetation. Fewer grass species were encountered in the temporary pond habitats, spreading to a small area and experiencing anthropogenic pressures besides the migrating birds' interactive feature. Higher and lower Sorenson's similarity coefficient values were found in riparian and temporary pond habitats, respectively. Long-term studies of co-existing grasses and associated woody vegetation help inform similar tropical wetlands concerning the existing environmental and biological interactions for maintaining ecological health associated with native biodiversity.
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Grass Vegetation Dynamics in Wetlands with Different Utilization
The land-use patterns, combined with the biotic interactions, are likely to substantially affect the grass community of tropical wetlands. However, we need more information to understand the vegetation cover and, particularly, the diversity of grasses in the protected sites, where the naturally occurring interactions with extreme complexity. Hence a thorough understanding of these interactive effects on grass dynamics would help develop wildlife management guidelines to predict the grass-woody herbs and other associated vegetation. In light of this, a beta vegetation survey and diversity analysis in two varying wetland ecosystems of natural mountain streams and temporary ponds. Grass communities occurred along the Pambar and Thalayar natural freshwater streams of south Western Ghats, Theni District, Tamil Nadu, and desiccate benthic surfaces and the raised bunds of three adjoining ephemeral Bird Sanctuary Ponds, situated in Sivagangi District, Tamil Nadu, India. Here, the result obtained from the vegetation survey, Sorenson's similarity analysis, Margleaf's richness index and biodiversity indices. Many grass communities make the riparian habitat with a higher ratio of grass to woody and a lesser proportion of grass to herbaceous vegetation. Fewer grass species were encountered in the temporary pond habitats, spreading to a small area and experiencing anthropogenic pressures besides the migrating birds' interactive feature. Higher and lower Sorenson's similarity coefficient values were found in riparian and temporary pond habitats, respectively. Long-term studies of co-existing grasses and associated woody vegetation help inform similar tropical wetlands concerning the existing environmental and biological interactions for maintaining ecological health associated with native biodiversity.
