By: Elizabeth M Young
For a basic introduction to the plants of the coral reefs, the categories are simple: most of them are either algae or phytoplankton! Corals are classified as animal, even if they are microscopic animals which group in massive numbers to form colonies. At the bottom...
Grassland biomes: North American prairie
By: Kayla Willis
A grassland biome is one which is dominated by grasses and other herbaceous, non-woody plants rather than other vegetation such as trees or tall shrubs. Every continent on the Earth except for Antarctica has a grassland biome; each with its own popular name for its...
By: Elizabeth M Young
Soil has a structure that can be quite delicate. That delicate structure can easily be damaged beyond repair by compression, the pressure and forces of water and wind; by deforestation, poor grazing and crop growing practices; and even by being walked upon or rained on...
By: Elizabeth M Young
What, exactly, are peat bogs? They develop when the water at the ground surface is acidic, either because the ground water is acidic or is entirely from rain. When rain fed, bogs are of the ombrotrophic class. These very sensitive habitats have outflows that are...
By: Elizabeth M Young
When we think of our options for using biological controls, there is the sledgehammer, the negotiation, and the treaty with our natural enemies. In the past, the sledgehammer included fire, extremely toxic pesticides, and mass killing of pests and predators that decimated our food crops...
By: Elizabeth M Young
The Earth’s biomes include the forests, marine and ocean, tundra, desert and grassland biomes. The grassland biomes are the magical places of the earth that are dominated by grasses, far fewer trees, and woody plants that go on seemingly forever and beyond the horizon...
By: Elizabeth M Young
Weathering is the process that breaks down soil without movement. Erosion is the process that breaks down soil with movement from ice, rain, gravity or water. Weathering occurs when rocks, soils and minerals are exposed to the atmosphere for long periods of time. WEATHERING There...
By: Elizabeth M Young
Noise pollution is the consequence of our technological advancement and of our lifestyles. In urban areas, noise is created by highly concentrated masses of people, equipment, vehicles and devices. Then the noise is focused and concentrated in the urban canyons as it reflects off of...
By: Elizabeth M Young
Bioremediation was born in the era of the 1980s when the US Federal Government commissioned a study of the interactions between toxic substances and the environment. Some sites were so profoundly contaminated that the costs and the damage to the sites would have been resistant...
By: Elizabeth M Young
Of the Earth's oceans, the Atlantic Ocean is the worlds second largest continuous, connected body of saltwater. This is about one fifth of the surface of the planet, and extends for 44.1 million square miles, or 106.4 square kilometers. The Antlantic Ocean separates...

 

1 67 68 69 70 71 113