By Turtle Times
Graptemys Conservation – Graptemys Barbouri, Graptemys Flavimaculata Graptemys Oculifera & Greaptemys Caglei
We discuss in detail the life histories of four species from the Genus Graptemys. These species have gained special importance in the last decade due to their vulnerability and ecological significance.
Graptemys Habitat
Graptemys habitat is found in the southeast, and it’s characterized by spring-fed, clean, clear limestone rivers. These rivers are usually above the fallline and meander along the coastal plains to the Gulf of Mexico. They pass through flat solution pocket limestone, sculpting out bluffs and beaches.
In the past, these rivers were lined by cypresses and tupelos, which eventually gave way to higher ground hickory trees, oak, ash, and pine. These hardwood bottomland forests filter the water, house a variety of plants and animals, and are an important part of river ecology. When the river floods, they are then fed with nutrients. These rivers were used as “highways”, and settlements started to appear along their banks, when the South began to be settled. As a result, the bottomland-hardwood forest was a great source of timber.
In the South, industrial sites are located near rivers to facilitate the disposal of waste products. These industries often involve the production of wood pulp or the discharge of chemical effluent directly into river habitat.
In many places, the river habitat was altered before any local Graptemys species could be studied or described. It was not until recently that the local Graptemys sp. could be described or studied. In many cases, it is hard to determine the optimal habitat.
The rivers that are inhabited by graptemys have a dynamic nature, and their sands are constantly moving. This flow changes the direction of river channels, creates oxbow-shaped lakes, and shuffles the optimal graptemys habitat over the course of many years. The docks and other man-made structures that are now awash with silt or sandy sand far away from the water’s edge provide dramatic evidence. The banks are collapsing, and houses that were once thought to be far enough away from rivers are now being slowly undermined. This process is hampered by permanent structures like dams, bulkheads and levees.
Graptemys Distribution
The fact that species are not evenly distributed is consistent with all graptemys distribution observations within a river systems. Carr and Marchand first noticed this in 1942, when they made a historic canoe journey down the Chipola River to search for G. barbouri. This trip shows that animals (G. <span class="wordai-block …read more
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