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young dark blonde girl with tan lines wearing a long pink necklace and bracelets at the river outside in the nature

Young Dark Blonde Girl With Tan Lines Wearing A Long Pink Necklace And Bracelets At The River Outside In The Nature

Ecosystem
The flora and fauna of rivers use the aquatic habitats available, from torrential waterfalls through to lowland mires. Although many organisms are restricted to the fresh water in rivers, some, such as salmon and hilsa, have adapted to be able to survive both in rivers and in the sea. The organisms in the riparian zone respond to changes in river channel location and patterns of flow. The ecosystem of rivers is generally described by the River continuum concept, which has some additions and refinements to allow for spatial (dams, waterfalls) and temporal (extensive flooding). The basic idea is that the river can be described as a system that is continuously changing along its length in the physical parameters, the availability of food particles and the composition of the ecosystem. The food (energy) that is the leftover of the upstream part is being utilized downstream.
The general pattern is that the first order streams contain particulate matter (decaying leaves from the surrounding forests), which is processed there by shredders like Plecoptera larvae. The leftovers of the shredders are utilized by collectors as Hydropsyche and furter downstream algae that create the primary production become the main foodsource of the organisms. All changes are gradual and the distribution of each species can be described as a normal curve with the highest density where the conditions are optimal. In rivers succession is virtually absent and the composition of the ecosystem stays fixed in time.

File information
Filename:667732.jpg
Album name:Babes
Rating (2 votes):55555
Keywords:#young #dark #blonde #girl #tan #lines #wearing #long #pink #necklace #bracelets #river #outside #nature
Filesize:66 KiB
Date added:Feb 19, 2015
Dimensions:800 x 450 pixels
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