What are facts about turtle habitats?
1 Answers
A lot of these are still contested and the truth may change with new information. First, most turtles do not live on an island. Only a tiny percentage survive at high levels on islands; in many places, the population can be quite low (10% of the population) or non- existent (0.
1% of population) compared to the total numbers in the local ecosystem. Turtles found living at high densities on islands may simply have not been found in more suitable habitats. A turtle is generally not a solitary creature.
Turtles have been observed to socialize around each other even if there is not a female on hand anymore. Densities and habitats in a turtle species are often similar to one another across different species.
Turtles that are found living on one sea grass, for example, will probably also live in similar habitats, as will turtles whose habitats consist of the same type of sea grass. We know of at least six turtle species from the North Atlantic as an example.
The species with a higher tolerance for higher temperatures and more suitable habitat conditions are found on the North Atlantic and Atlantic Coastal ranges than the species that live closer to the equator.
Turtles that live in cooler climates probably move to higher land masses, even if that means making an ocean journey. These turtles are, on average, taller and healthier. Turtles that live to be around 60 years of age live in higher densities than turtles that live longer (30 years or more) .
Turtles live longer in warmer climates because the conditions that turtle depend on are better, but the turtles that live long and healthy lives are not found in warmer climates. Turtles are sometimes referred to as "marine turtles" since that is the term they are most familiar with (that is, sea turtles) .
They are also referred to in other words as "pelagic" species (water turtles) . Most pelagic turtles like turtles from the Atlantic and Pacific coasts are found to be "marine" and are actually more terrestrial in composition of habitat.
This is also supported in the literature. Most of the pelagic turtles found in the Atlantic Coast of the United States are of a non- marine composition. Some are freshwater; some are freshwater and some are marine.
The species living in fresh water species are often referred to as "marine" species. Most pelagic turtle species have at least three to four separate feeding locations, depending on the species. For example the Pacific Coast pelagic turtles can live in a variety of habitats.
Many Pelagic Turtles (especially in the coastal regions of the United States) feed on a variety of invertebrates. The only species in which an abundance of juveniles can be found is the American Pelagic Turtle.
The pelagic turtles we are most concerned about are known as "pioneers- to- the- pacific". These are turtles that have been colonizing the Pacific Northwest and their range extends from Northern California as far as the Canadian provinces of Alberta and Washington.
These are the species that we have seen most frequently in our surveys. The common name of this species is "Bristleback" (the "Bristleback" is derived from the "Brilliant" and is the name used in the United States of America when referring to this species) .
They are found across the United States, but most commonly are found in the Pacific Northwest, the southern coastal states of Michigan, Montana, Washington, Alaska, and the southern tip of the Alaska Tundra.
As far as we are aware, the last known population in Michigan was in the 1980's. The two most common habitat types for this species are open and wooded habitats. They also have a great abundance of insects and are generally seen inhabiting shallow water and grassland, and also nesting in the water as well.
There are some species that are found throughout the United States. There is a large population of the species in Pennsylvania and one in Michigan. There is a population of this species in Utah. There are also a few populations found in Hawaii.
Many are in the U. S. waters off the eastern seaboard of the United States and in the waters near the Hawaiian islands. It seems that the abundance of these species have been increasing over the past few years and are now the most commonly encountered species along their range.