Term
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Definition
| When you have a farm to grow different kinds of crop and have different animals in order to give for human consumption |
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Term
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Definition
| when a farm only grows one type of crop/livestock |
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Term
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Definition
| When pesticides, synthetic fertilizers, new easier tools were used in order to help w/ farming and making a larger amount for the human pop. |
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Term
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Definition
| a big mass of solid rock that is the Earth's crust |
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Term
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Definition
| a phys., chem., and bio. way that breaks down larger particles into smallers ones (rocks, minerals, etc.) |
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Term
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Definition
| layers holds many nutrients necessary for plants (* for agriculture) |
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Term
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Definition
| when necessary materials for plants are dissolved into water and taken somewhere else |
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Term
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Definition
| the largest of the 3 sediments (0.005-2.0mm in diameter) |
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Term
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Definition
| second in size (0.002-0.005mm) |
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Definition
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Term
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Definition
| this is a mixture of all sediments which is what most plants need |
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Term
| Tilling (and reduced tilling) |
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Definition
When done harvesting, the "leftovers" of the crops are then mixed with the topsoil and it helps with the topsoil to regain nutrients for agriculture but causes erosion because the soil is too loose when tilled.
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Term
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Definition
| when there is a loss of more then 10%of land productivity b/c of erosion, overgrazing, deforestation, and etc. |
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Term
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Definition
| When a bunch of topsoil was eroded b/C of wind erosion b/c of droughts or human impact (NA Great Plains) |
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Term
| National Resource Conservation Service |
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Definition
| agency promotes conservation, water quality protection, and pollution ctrl. |
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Term
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Definition
| When a farm rotates to different crops every season. |
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Term
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Definition
| when farming takes place on hills but is plowed sideways instead direction hill is going. |
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Term
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Definition
| the type of farming that looks like staircases along steep hills |
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Term
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Definition
| When you plant different types of crops together but in rows and in the same season. |
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Term
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Definition
| When trees are left to surround areas of plantations in order to block winds from causing erosion. |
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Term
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Definition
| basically when pipes are set along the crops and mist is throw onto the plants but it's hard b/c most of it just gets blown away by the wind. |
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Term
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Definition
| when pipe is set up and crops get water in circles. ends up just looking like huge green circles on the land |
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Term
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Definition
| this is when a system of irrigations is set up directly above the crop and water is dripped upon it. |
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Term
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Definition
| when the water table goes up to a point where it's actually drowning the plant roots. |
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Term
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Definition
| a buildup of salt is created on the topsoil b/c water evaporates too fast for the materials to settle. |
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Term
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Definition
| when livestock eat too much of plant cover of the topsoil and causes erosion. |
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Term
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Definition
| an organism that holds DNA from another organism |
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Term
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Definition
| when a reliable and available food source is always available to people |
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Term
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Definition
| when you receive less than 90% of the calories needed for the body |
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Term
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Definition
| when people eat way over the amount of calories needed for the day |
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Term
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Definition
| when the body lacks nutrients necessary for the body. |
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Term
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Definition
| an organism that eats up a lot of the crops being grown anywhere. |
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Term
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Definition
| a Chemical made in order to kill off the pest but still not harm the crop or anything else around it |
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Term
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Definition
| when organisms transfer pollens from one plant to another plants to help the cont. of growth |
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Term
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Definition
| When an organism is used to ctrl another organism to stop the harm its doing. |
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Term
| Bacillus thuringiensis (Bt) |
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Definition
| a natural soil bacteria that kills off lots of caterpillars and larvae of flies and beetles. |
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Term
| Integrated Pest Management (IPM) |
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Definition
| differ techniques to help rid of pests (bioctrl, monitoring pop., habitat alteration, etc.) |
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Term
| Genectically Modified Organisms (GMOs) |
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Definition
| organisms that have been altered using recombinant DNA |
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Term
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Definition
| DNA that has differ organisms DNA put together |
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Term
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Definition
| idea that a person shouldn't do something with GMO unless it is looked upon and safe to give the go. |
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Term
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Definition
| a place that keeps seed types safe |
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Term
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Definition
| farmers keep their livestock in a certain place and don't let them graze a lot and feed them mostly grain in ordered to make them bigger |
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Term
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Definition
| where ppl raise differ organisms that live in water in a ctrl environment |
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Term
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Definition
| Where farmers do not use synthetic fertilizers of chemicals or anything that would ruin the naturalness of the food. |
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Term
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Definition
| agriculture that doesnt deplete soils faster then they form. |
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Term
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Definition
| When most of the creatures die off gradually because something has happened that has altered there environment for them to not be able to adapt as quickly |
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Term
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Definition
| when a species disappears in a certain area but isnt fully extinct. |
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Term
| Background rate of Extinction |
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Definition
| the avg. rate of extinction that happened b4 humans arrived. |
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Term
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Definition
| when large portions of the world's species go extinct really quickly |
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Term
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Definition
| a list that shows which organisms have high risk to extinction. |
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Term
| Causes of Biodiversity Loss |
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Definition
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Habitat alteration- when somthing happens to the organisms environment such as deforestation
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Invasive species- when a differ organism is introduced to a new environment and adapts very easily (zebra mussels, bull frog, cane toad)
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Pollution- this is caused by human impact because of overuse of fossil fuels and changing of environments
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Overharvesting-when organisms take too much of a resource that it depletes the resource to almost never returning.
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Climate change- this is caused by human impact because of all the reasons above
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Term
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Definition
| these are services that are provided to humans for free from the ecosystem (water, air, fossil fuels, etc.) |
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Term
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Definition
"the connections that human beings subconsciously seek with the rest of life."
-E. O. Wilson |
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Term
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Definition
| a concept of understanding the differ factors, forces, and processes that hlep protect, lose and restore biodiversity |
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Term
| Equilibrium theory of island biogeography |
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Definition
| a theory that tries to explain how organisms that lived there come to be in the islands that they live in. |
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Term
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Definition
| when ppl capture creatures from endangered species to help them bred in ctrl environments |
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Term
| Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) |
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Definition
| 1973: a treaty made by the UN that helps protect endangered species by banning international of their body parts. |
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Term
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Definition
| a area where it supports many differ orgnaisms (most of the species are endemic) |
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Term
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Definition
| organisms that are only alive in a certain area |
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Term
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Definition
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Term
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Definition
| When ppl harvest timber by cutting down all the trees in one area and leaving only the tree stumps |
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Term
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Definition
| a strategy for who would use resources and what ways |
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Term
| Ecosystem Based Management |
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Definition
| ways to minimize the use of harvest resources to lessent the impact on the environment |
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Term
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Definition
| When ppl try differ ways to manage resources wisely but have to do experiments |
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Term
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Definition
| a forest that is untouched by humans |
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Term
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Definition
| a forest that has trees that are young because ppl cut them down b4 |
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Term
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Definition
| when trees are cut down and the logs are sent off to an industry. |
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Term
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Definition
| public lands (191 million acres) that are protected and used for recreation |
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Term
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Definition
| a large farm that grows different types of major crops |
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Term
| National Forest Management Act |
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Definition
| 1976: a law stating that places had to make up new plans for renewable resource management for all national forests |
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Term
| Prescribed/Controlled burns |
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Definition
| to control natural fires in order to help with the reestablishment of an environment. |
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Term
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Definition
| when dead trees are removed from the environment after a natural disturbance |
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Term
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Definition
| type of ecolabeling, shows that tree products where produced with sustainable methods |
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Term
| Bureau of Land Management (BLM) |
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Definition
| a US agency that owns rangelands |
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Term
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Definition
| a "scenic area" the ppl use for recreation for the public |
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Term
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Definition
| a area for creatures that acts as a haven for wildlife and maybe encourages fishing, hunting, photography, etc. |
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Term
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Definition
| Fed. land that is off-limits to development but allows activities open to public that has little impact on the environment. |
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Term
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Definition
| debate: make reserves huge but have less of make small and have lots. |
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Term
| Maximum Sustainable Yield |
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Definition
| when a resource is used to it's fullest potential without actually depleting the resource at all. |
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