TheHistoryandDevelopmentofEnvironmental Protection 要点一 要点二 TheOriginofEnvironmentalProtection EnvironmentalprotectionoriginatedduringtheIndustrialRevolution.Withtheaccelerateddevelopmentofindustrializationandurbanization,environmentalproblemshavebecomeincreasinglyprominent,andpeoplehavebeguntopayattentiontoenvironmentalprotection.T...
chemoautotrophs FoodChain Astraightlinesequenceofwhoeatswhom Simplefoodchainsarerareinnature MARSH HAWK UPLAND SANDPIPER GARTERSNAKE CUTWORM Food Web EnergyLosses Energytransfersarenever100percentefficient Someenergyislostateachstep Limitsthenumberoftrophiclevelsinanecosystem TwoTypesofFoodWebs Producers(photo...
1.1DefinitionofEcosystem(生态系统(shēnɡ •TheEcosystemisawhole.Itincludesnotonlyorganic complexes,butalsothecomplexthatformallphysical factorsofenvironment.——Tansley 第四页，共86页。1.2ComponentofEcosystem 1.2.1Definition AllmaterialontheEarthmaybecomponentsoftheecosystem 第五页，共86页。1.2.2...
ElevationEffectsonClimateandVegetation Asaltitudeincreases,averagetemperaturedecreases.Movingfromsealeveltomountaintops,itispossibletopassthroughaseriesofbiomessimilartowhatwouldbeencounteredmovingfromtheequatortothenorthpole.MajortypesofBiomes DesertGrasslandSavannaShrublandsTropicalRainforestNorthernConiferousForestsTemperate...
13、omes,Biomes are major types of ecosystems that cover large areas of the earth and are classified by their dominant vegetation types. (an ecosystem is the community of organisms in an area and their physical environment),Each biome also is populated by a diverse array of animals, fungi and...
Terms to Know Ecosystem- interaction of plant life, animal life, and their environment. Biome- term used to describe major types of ecosystems that can be found in various regions. Deciduous forest is a biome; same climate, plants, and animals even in different parts of the world. Tropical ...
Benthic Marine Ecosystems: Organisms that live on the ocean bottom, whether attached or not, are known as benthic organisms, and the kind of ecosystem of which they are a part is called a benthic ecosystem. Estuaries: An estuaries is a special category of marine ecosystem, that consist of ...
organisms are more decoupled from their external environment than small ones.;耐受性;Organisms can cope with variation in their external environment (though different species may differ markedly). The upper and lower extremes of species limits of tolerance. Usually, growth will not occur at these ...
Environmentalprotectionisthepracticeofprotectingthenaturalenvironmentonbothalocalandglobalscale,inordertomaintainandimprovethehealthandwellbeingofcurrentandfuturegenerationsItinvolvesmeasurestomitigatethenegativeimpactofhumanactivitiesontheair,water,soil,andbiodiversity Theimportanceofenvironmentalprotectionliesinthefactthatthe...
Ecosystem The living community and the surround non-living (abiotic) environment Biosphere Total area on Earth where living things are found Includes: Soil (lithosphere) Air (atmosphere) Water (hydrosphere) Ecological Hierarchy Symbiosis Symbiosis refers to any close relationship between two different spe...