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A Walk around the Pond: Insects in and over the Water by Gilbert Waldbauer PDF

By Gilbert Waldbauer

ISBN-10: 0674022114

ISBN-13: 9780674022119

ISBN-10: 0674027655

ISBN-13: 9780674027657

A water strider darts throughout a pond, its ft dimpling the skin rigidity; a tremendous water trojan horse dives under, sporting his mate’s eggs on his again; hidden between plant roots at the silty backside, a dragonfly larva stalks unwary minnows. slightly skimming the outside, within the air above the pond, swarm mayflies with diaphanous wings. Take this stroll round the pond with Gilbert Waldbauer and realize the main amazingly assorted population of the freshwater international.

In his hallmark companionable type, Waldbauer introduces us to the aquatic bugs that experience colonized ponds, lakes, streams, and rivers, specially these in North the US. alongside the way in which we find out about the varied varieties those arthropods take, in addition to their notable modes of life—how they've got radiated into each possible area of interest within the water setting, and the way they deal with the demanding situations such an atmosphere poses to respiratory, imaginative and prescient, thermoregulation, and replica. We come across the caddis fly larva development its protecting case and camouflaging it with circulation detritus; eco-friendly darner dragonflies mating midair in an acrobatic wheel formation; ants that experience tailored to the tiny water setting inside of a tumbler plant; and bugs whose diversifications to the aquatic way of life are furnishing biomaterials engineers with rules for destiny purposes in and customer items.

whereas studying in regards to the evolution, usual heritage, and ecology of those bugs, readers additionally become aware of greater than a bit in regards to the scientists who research them.

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Additional info for A Walk around the Pond: Insects in and over the Water

Example text

In Cape May Where They Live 47 County, New Jersey, for example, marshes are ditched with discrimination rather than pointless geometric regularity, not to drain them, but to connect temporary tidal pools with permanent pools so that killifish from the latter can invade the temporary pools and devour the mosquito larvae. Swimming and diving in salt water does not protect marine birds and mammals from parasitic insects. Colonial auks, cormorants, and other seagoing birds that nest on the same sea cliffs every year are ambushed when they return to their nest sites in the spring by blood-sucking ticks and fleas, landlubbers that stay behind on the cliffs when the birds leave to return to the sea for the winter.

5 percent content of ocean water, while others are much saltier. Those that are not too salty may be inhabited by a few species of true bugs, caddisflies, beetles, and flies, but the salt content of the Dead Sea in Israel and Jordan, from 26 to 35 percent at different places, is too great for living things other than bacteria to survive. Fish washed into it from rivers die instantly. The Great Salt Lake of Utah, with a salinity of from 11 percent to 28 percent, is a little friendlier to living things.

The nutritional foundation of the food chain in this hot spring is a floating, mucilaginous mat of bacteria and bluegreen algae that grow well only above 104°F. They are eaten by larvae of a species of shore fly that is in the same family as the brine flies. But these larvae grow best at a temperature below 104°F, between 77°F and 95°F, temperatures that occur only at the edge of the outflow from the spring and in patches of the 52 Where They Live mat around which the flow of hot water has been diverted by unusually thick bumps in the mat.

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A Walk around the Pond: Insects in and over the Water by Gilbert Waldbauer


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