Term
| Every second how many childern are born |
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Definition
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| How many people die persecond? |
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Definition
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| How many people are thier in the world? |
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Definition
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Definition
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Definition
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| 87% of Brazil's 203 million people live in |
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Term
| Some believe that population growth is the ultimate cause of |
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Definition
| poverty and environmental degradation. |
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Term
| Others argue that poverty, environmental degradation, and overpopulation are all merely symptoms of |
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Definition
| deeper social and political factors. |
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Term
| what does Thomas Malthus think will happen?: |
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Definition
| Humans will outstrip food supply and collapse into starvation, crime, & misery |
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Term
| what does Karl Marx think will happen?: |
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Definition
| population growth result of poverty, resource depletion, pollution, & other social ills |
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By 2100, if current trends continue,
---------- miserable humans will suffer a difficult life on Earth.”
by: David piemen |
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Definition
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Term
| 1970 how many calories where then taking a day?: |
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Definition
| 2,435 calories/person/day |
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Term
| in 2010 how many carloies where eatin per day?: |
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Definition
| 3,130 calories/person/day |
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Term
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Definition
| calculate Impact of our population |
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Definition
| estimate of amount of productive land required to support each of us |
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Term
| Bangladesh has how many people? – |
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Definition
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Term
n Zimbabwe, Botswana, Zambia, and Namibia, up to how many percent has aids and hiv
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Definition
| 39% of the adult population have AIDS or are HIV positive. |
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Definition
| among cultures and at different times |
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Term
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Definition
| number of children born to an average woman in a population during her reproductive life |
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Term
- What cultural factors play a role?
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Definition
- Supporting elderly parents
- Societal status
- Sense of pride, accomplishemtn
- Help with current income, chores
- Desire
- Lack of contraceptives
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Term
| Family planning allows couples to determine |
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Definition
| the number and spacing of their children. |
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Term
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Definition
| diversity of organisms in an area |
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Term
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Definition
| measure of the variety of versions of the same genes within individual species. |
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Definition
| describes the number of different kinds of organisms within a community or ecosystem. |
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Term
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Definition
| refers to the richness and complexity of a biological community. |
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Term
How many invertebrates are thier?
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Definition
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Term
| how many beetles are thier? |
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Definition
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Term
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Definition
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| nearly ---- speices to be found |
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Definition
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Definition
| 80,000 wild plants used by humans! |
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Definition
| pharmeceuticals, etc. from plants, animals & microbes valued at $30 billion/year! |
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Definition
| bees, moths, bats pollinate most crops |
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Definition
| diverse communities better able to survive disturbance |
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Term
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Definition
| 95% of pests controlled by natural predators – ladybugs eat aphids – crop pest |
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Term
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Definition
| fishing, hunting, hiking, bird watching, etc. |
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Term
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Definition
| the elimination of a species |
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Term
| what does HIPPO STAND FOR? |
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Definition
Habitat destruction
Invasive species
Pollution
Population of humans
Overharvesting |
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Term
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Definition
| reduction of habitat into small, isolated patches |
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Term
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Definition
organisms that thrive in new territory where they are free of :Predators
Diseases
Resource limitations |
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Term
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Definition
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Term
Global population has doubled in 40 years FROM
|
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Definition
| 3.5 billion to about 7 billion |
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Term
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Definition
| taking more individuals than reproduction can replace |
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Term
| ------of all commercial oceanic species are overharvested! |
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Definition
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Term
------ roamed North American plains in 1600
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Definition
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Term
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Definition
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Term
Tasks of the ESA include providing:
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Definition
(1) criteria for identifying species at risk
(2) directions for planning for their recovery
(3) assistance to land owners to help them find ways to meet both economic needs and the needs of a rare species
(4) enforcement of measures for protecting species and their habitat |
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Term
| U.S. has over---ENDAGERED OR THREATEND |
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Definition
| U.S. has over 1,300 Endangered or Threatened Species |
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Term
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Definition
| elimination would greatly impact many other species |
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Term
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Definition
| tied to specific communities or environmental conditions |
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Term
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Definition
| require large blocks of undisturbed |
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Term
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Definition
| attractive speices to which people react emotionally |
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Term
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Definition
| Reducing Emissions from Deforestation and forest Degradation in developing countries |
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Term
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Definition
| any area where trees cover > 10% of land |
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Term
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Definition
| those that have been undisturbed by human activities so trees can live natural life cycle |
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Term
| Developed countries produce less than half of all industrial wood, but account for about of consumption |
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Definition
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Term
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Definition
| fastest growing forest product |
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Definition
| single species forests for single use types |
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Term
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Definition
| tropical hardwoods, such as teak and mahogany. |
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Term
| Costa Rica as one of the best f |
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Definition
| orest protection plans – Dan Janzen |
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Term
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Definition
| Every tree in a given area is cut, regardless of size |
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Term
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Definition
| mature trees are removed in a series of two or more cuts |
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Term
| Strip-cutting (group cut): |
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Definition
| all trees in a narrow corridor are harvested |
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Term
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Definition
| only a small % of the mature trees are taken in each 10- or 20-year rotation. |
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Term
Most timber in the U.S. and Canada is harvested by
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Definition
|
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Term
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Definition
put a stop to the road building
Protested by land developers, logging, mining, & energy companies |
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Term
| President George W. Bush: |
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Definition
reinstated road building
Ordered expedited logging, mining, & motorized recreation |
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Term
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Definition
reinstated the roadless rule
Noted that act protects habitat of 1,600 endangered species & watersheds for 60 million people |
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Term
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Definition
| Require fire for cones to open and release seeds |
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Term
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Definition
| endangered bird whose main breeding range is in Jack Pine stand in lower MI |
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Term
| Desertification may occur due to |
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Definition
overgrazing —especially arid areas
Converts fertile land to desert |
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Term
| Pastoralists can adjust number & |
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Definition
| location of animals based on monitoring of range conditions |
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Term
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Definition
| confining animals to a small area for a short time (1-2 days) before relocating |
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Term
| Raise native species (e.g. elk) – |
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Definition
| more efficient foragers, more disease resistant, don’t require as much care |
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Term
| Nearly----of earth’s land area of the earth is protected in some sort of park, preserve, or wildlife management area |
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Definition
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Term
| Coral reefs one of the most diverse ecosystems in the world… |
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Definition
| But… also the most threatened |
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