Plankton diversity, physico-chemical parameters and conservation value of temporary freshwater rock pools
Rock pools occur everywhere in the world and are geo-morphologically similar because they originated from weathering and erosion although vary in surface and depth. Interestingly, rare species are found as rock pool communities, which have never been recorded from open water. Temporary fresh water s...
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Galore Knowledge Publication
2015
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| நிகழà¯à®¨à®¿à®²à¯ˆ அணà¯à®•à®²à¯: | http://www.gkpublication.in/IJRR_Vol.2_Issue9_Sep2015/IJRR0099.pdf http://www.gkpublication.in/IJRR_Vol.2_Issue9_Sep2015/IJRR0099.pdf http://eprints.uthm.edu.my/8229/1/dr_hazel_8.pdf |
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| தொகà¯à®ªà¯à®ªà¯: | Rock pools occur everywhere in the world and are geo-morphologically similar because they originated
from weathering and erosion although vary in surface and depth. Interestingly, rare species are found as
rock pool communities, which have never been recorded from open water. Temporary fresh water support
invertebrate communities ranging from the complex, with many species to those that support only one or
two species. The high variability in environmental condition connected with relatively unpredicted
flooding regime limit for specialized species with high tolerance to stress and specific feature for
surviving the dry phase. The differences in number of rocks and pools together with sampling intensity of
individual pool may probably explain part of the variation in recorded diversity. Indeed, it is an
established fact that the rock pools biotas are fully dependent on length and abundance of inundation and
for that, the active communities will reflect the current climatic conditions. Temperature, Dissolved
oxygen and pH are vital to the survival of many temporary water species as it provides essential
indications that regulate the timing of life cycles, flight periodicities and colonization dynamics.
Freshwater ecosystem served as an important asset for man and habitation for an extraordinary rich,
endemic and sensitive species. Increase in human demand on these ecosystems results to large and rising
threats to biodiversity and for that recording diminishes of biodiversity, identifying their causes, and
finding solutions have become necessity in freshwater ecosystem. |
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