- Ponds and Streams
- Bright flows the meadow stream
- Ode on Intimations of Immortality. W. Wordsworth. The Golden Treasury
- Paul Walker’s Daughter Sues Porsche Over Dad’s ‘Wrongful Death’
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Ponds and Streams
Edge of Big Pond. Sunlit Clubrush. Autumn Meadow. Gold Zigzag.
Bright flows the meadow stream
Colour Curves. Boardwalk Curves. Gold Stream. Snag at Beaver Creek. Gold Meadow. Sundew Pond. Crimson Creek. Hanging Garden Creek. Creek Confluence. Paradise Creek.
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Ode on Intimations of Immortality. W. Wordsworth. The Golden Treasury
Cliff Booker says:. Mars says:. October 12, at pm. They occur as single cells, as round and flattened colonies, and as filaments. Algae is the base of the pond food pyramid. During photosynthesis, algae release oxygen, increasing the amount of oxygen dissolved in the water. Ponds and streams provide nesting and feeding grounds for many different fish species.
Lampreys are jawless fish that look similar to eels. These primitive fish have a skeleton of cartilage, unlike most other fish, which have a skeleton of bone.
Brown Bullheads, like other catfish, have a smooth, scaleless skin, and chin whiskers, or barbels, that aid them in finding food. They feed mostly at night or in opaque waters. Black Crappies are large, carnivorous sunfish that sometimes grow to four pounds, although they are usually one to two pounds. Another member of the sunfish family, the Bluegill, grows up to eight inches, feeding on insects, crustaceans and other small animals. A similar fish is the Pumpkinseed, which has a bright red spot on each gill cover.
Amphibians, such as brook salamanders, newts and frogs, live in the vegetation surrounding ponds and streams. The moist skin of an amphibian can absorb both water and oxygen. Frogs have lungs in addition to their breathable skin. Like most amphibians, frogs begin their life cycle in the water, with their long-tailed larvae known as tadpoles or pollywogs. Not a fish can leap or an insect fall on the pond but it is thus reported in circling dimples, in lines of beauty, as it were the constant welling up of its fountain, the gentle pulsing of its life, the heaving of its breast.
The water temperature of ponds is fairly uniform from top to bottom, and the water temperature tends to vary along with the air temperature. The amount of dissolved oxygen in a pond may vary greatly in a twenty-four hour period, building up during the day and dropping at night. The area that a stream drains is called its drainage basin, or catchment area. The stream bottom extends down beneath the ground, and its sides stretch out into its floodplains. Gases from the air like oxygen, carbon dioxide, and nitrogen, as well as other chemicals, dissolve into the water.
These gases are most soluble in cold water and in water that is churned as it flows downhill. The stream also carries particles of dirt, sediment, and organic matter including tiny bits of leaves, bacteria, and insects. As it flows towards the ocean, the stream deposits silt and sediment on its floodplain, creating rich agricultural lands and allowing many organisms to thrive. Diverse habitats Four different microhabitats coexist within a relatively small area formed by a pond or stream: the surface film, the open water, the bottom and the littoral habitat.
The open water contains large, free-swimming animals, such as turtles, birds and fishes, and small microscopic plants and animals — plankton — that drift suspended in the water. Phytoplankton is mostly algae. Zooplankton consists of tiny crustaceans, rotifers, some insect larvae, and other invertebrates.
The floating-leaf zone, as its name suggests, contains broad, flat-leaved water lilies, water ferns and duckweeds, where snails, bugs, mayflies, algae and sunfish live. Finally, the submersed plant zone consists of pondweeds, hornworts and waterweeds. The leaves of these plants are either long and sinuous or bushy and very branched. Their flowers are pollinated above the surface, while the seeds germinate and the young plants develop only under water. Plant life Algae form pond scums and the green hairy growths on submerged objects.
Pondweeds are the largest family of truly aquatic seed plants. Several kinds of ducks feed almost wholly on pondweeds. In the floating-leaf zone, look for the Fragrant Water-Lily, which has large, notched, rounded leaves that are dark green on the upper surface and reddish-purple below. Both the leaves and the white or pink flowers float on water, giving off a rich, sweet scent.
Soft, spongy, underwater stalks support the leaves and flowers. Among the grasses you may see in the emergent plant zone is the Short-awn Foxtail. This grass grows from six inches to two feet tall, topped by spikelets in a slim, dense cluster. On the shore surrounding the pond, you may find dense thickets of Speckled Alder, a member of the birch family, common in eastern wetlands.
The three-inch leaves are elliptical and irregularly toothed, with sunken veins above.
Paul Walker’s Daughter Sues Porsche Over Dad’s ‘Wrongful Death’
The name of this small tree is derived from its bark, which is smooth, gray and speckled with white. The Black Willow grows up to seventy-five feet tall. Its bark is dark brown or blackish and furrowed into scaly ridges.
The four-inch leaves are narrowly lance-shaped, finely toothed and shiny.