av jerson adrian gomez salazar 6 år siden
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The following sustainability measures begin little by little with what can be done individually to take better care of the land
Conserving water.
Creating a sustainable economy
Taking steps toward smarter land use
Recycling.
-Eating locally
La energía se mueve alrededor de un ecosistema a través de la red alimentaria.
An ecosystem recycles matter through the process of decomposition
All the biological processes in an ecosystem run on energy captured from the sun
It provides the organisms that live there with what they need to survive
An ecosystem can be large or small
Distribution: The distribution of a population indicates where the individuals are located across the environment they occupy.
Density: of a population is the number of individuals, in relation to the area they inhabit.
Sex ratio: es el número de hombres contra mujeres.
Age structure: describes how many individuals fall into different age classes.
Size: of a populación is the number of individuals that make it up.
National Forest Management Act of 1976: considers that the extraction of wood affects the ecosystem as a whole.
Safe Drinking Water Act of 1974: improve public health by protecting public supplies of drinking water from pollution.
Endangered Especies Act of 1973: establishes a process to legally recognize and seek the conservation of endangered species of plants and animals.
Clean Water Act of 1972: led to a dramatic improvement in water quality
Clean Air Act of 1970: This law was the first to regulate air pollution on a national scale and establish goals to improve air quality.