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Between these zones is a band of rapid temperature change called the thermocline. During the colder fall season, heat is lost at the surface and the epilimnion cools. When the temperatures of the two zones are close enough, the waters begin to mix again to create a uniform temperature, an event termed lake turnover. In the winter, inverse ...
Lake stratification is the tendency of lakes to form separate and distinct thermal layers during warm weather. Typically stratified lakes show three distinct layers: the epilimnion, comprising the top warm layer; the thermocline (or metalimnion), the middle layer, whose depth may change throughout the day; and the colder hypolimnion, extending to the floor of the lake.
Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the safe development of natal amphibian and insect species unable to withstand competition or predation by ...
Ponds tend to dry out if excessive water is lost to evaporation. Evaporation is more common in the summer season, when increases in temperature and lack of rainfall contribute to dry conditions, creating seasonal ponds (or vernal pools) that usually dry out once a year. These seasonal ponds provide specialized habitat for many plant and animal ...
The technical distinction between a pond and a lake has not been universally standardized. Limnologists and freshwater biologists have proposed formal definitions for pond, in part to include 'bodies of water where light penetrates to the bottom of the waterbody', 'bodies of water shallow enough for rooted water plants to grow throughout', and 'bodies of water which lack wave action on the ...
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Summer brings warmer temperatures and longer days, and of course that means spending more time outdoors. Unfortunately, it also means mosquitos, one of nature’s most irritating — and dangerous ...
Evaporation and precipitation cycles in salt ponds create variable environments with wide ranges of salinity and depth. [1] Due to depth and temperature fluctuation salt pond could be classified as hyposaline 3-20 ppt, mesosaline 20-50 ppt, or hypersaline with ppt greater than 50. [1] Another important aspect of salt ponds is their permanence. [2]