Wildlifeconrvation
Wildlifeconrvationisthepracticeofprotectingwildplantandanimalspeciesand
hegoalsofwildlifeconrvationaretoensurethatnaturewillbe
aroundforfuturegenerationstoenjoyandtorecognizetheimportance
ofwildlifeandwildernesslandstohumans.[1]Manynationshavegovernment
agenciesdedicatedtowildlifeconrvation,whichhelptoimplementpoliciesdesignedto
usindependentnon-profitorganizationsalsopromotevarious
wildlifeconrvationcaus.[2]
Wildlifeconrvationhasbecomeanincreasinglyimportantpracticeduetothenegative
endangeredspeciesisdefinedasapopulationofalivingbeingthatisatthedangerof
sonscanincludethatthespecies
hasaverylowpopulationoristhreatenedbythevaryingenvironmentalorprepositional
parameters.
Majorthreatstowildlife[edit]
er,thehabitatthatremains
hasoftenbeendegradedtobearlittleremblancetothewildareaswhichexistedinthe
tloss—duetodestruction,fragmentationordegradationofhabitat—isthe
ecosystemhas
beendramaticallychangedbyhumanactivities—suchasagriculture,oilandgas
exploration,commercialdevelopmentorwaterdiversion—itmaynolongerbeableto
providethefood,water,cover,aytherearefewer
placesleftthatwildlifecancallhome.
Therearethreemajorkindsofhabitatloss:
Habitatdestruction:Abulldozerpushingdowntreesistheiconicimageofhabitat
aysthatpeoplearedirectlydestroyinghabitat,includefillingin
wetlands,dredgingrivers,mowingfields,andcuttingdowntrees.
Habitatfragmentation:MuchoftheremainingterrestrialwildlifehabitatintheU.S.
cspecies’habitat
ragmentsofhabitatmay
notbelargeorconnectedenoughtosupportspeciesthatneedalargeterritoryin
sandfragmentationofhabitatmakeitdifficultfor
migratoryspeciestofindplacestorestandfeedalongtheirmigrationroutes.
Habitatdegradation:Pollution,invasivespeciesanddisruption
ofecosystemprocess(suchaschangingtheintensityoffiresinanecosystem)are
someofthewayshabitatscanbecomesodegradedthattheynolongersupport
nativewildlife.
Climatechange:Globalwarmingismakinghotdayshotter,rainfalland
floodingheavier,
intensificationofweatherandclimateextremeswillbethemostvisibleimpact
socausingdangerouschangesto
thelandscapeofourworld,addingstresstowildlifespeciesandtheirhabitat.
Sincemanytypesofplantsandanimalshavespecifichabitatrequirements,
tdropor
riinaveragerainfallwilltranslateintolargeasonal
atingmammals,reptiles,amphibiansandinctsareharmedand
andwildlifearensitivetomoisturechangeso,theywillbe
lphenomena
likefloods,earthquakes,volcanoes,lightning,forestfires.[3][4]
UnregulatedHuntingandpoaching:Unregulatedhunting
iththis,mismanagement
offorestdepartmentandforestguardstriggersthisproblem.
Pollution:Pollutantsreleadintotheenvironmentareingestedbyawide
idesandtoxicchemicalbeingwidelyud,makingthe
environmenttoxictocertainplants,incts,androdents.
Perhapsthelargestthreatistheextremegrowingindifferenceofthepublic
towildlife,conrvationandenvironmentalissuesingeneral.[5]Over-exploitation
ofresources,i.e.,exploitationofwildpopulationsforfoodhasresultedin
populationcrashes(over-fishingandover-grazingforexample).
Overexploitationistheoveruofwildlifeandplantspeciesbypeoplefor
food,clothing,pets,medicine,have
alwaysdependedonwildlifeandplantsforfood,clothing,medicine,shelterand
aywearetakingmorethanthenaturalworldcan
geristhatifwetaketoomanyindividualsofaspeciesfromtheir
naturalenvironment,sof
ting,
trapping,collectingandfishingofwildlifeatunsustainablelevelsisnotsomething
ngerpigeonwashuntedtoextinctionearlyinthelastcentury,and
over-huntingnearlycaudtheextinctionoftheAmericanbisonandveral
speciesofwhales.
Today,the[EndangeredSpeciesAct]sthatwereindanger
fromoverexploitation,andtheConventiononInternationalTradeinEndangeredSpecies
ofFaunaandFlora(CITES)reare
manyspeciesthatarenotprotectedfrombeingillegallytradedorover-harvested.
NorthAmericanModelofWildlifeConrvation[edit]
Mainarticle:NorthAmericanModelofWildlifeConrvation
TheNorthAmericanModelofWildlifeConrvationisatofprinciplesthathasguided
managementandconrvationdecisionsintheUnitedStatesandCanada.[6]Althoughnot
formallyarticulateduntil2001,[7]themodelhasitsoriginsin19thcenturyconrvation
movements,thenearextinctionofveralspeciesofwildlife(includingtheAmerican
Bison)andtheriofsportsmenwiththemiddleclass.[8][9]Beginninginthe1860s
sportsmenbegantoorganizeandadvocatefortheprervationofwildernessareasand
thAmericanModelofWildlifeConrvationrestsontwobasicprinciples–
fishandwildlifeareforthenon-commercialuofcitizens,andshouldbemanagedsuch
oreprinciplesare
elaborateduponinthevenmajortenetsofthemodel:
feasPublicTrustResources.
ationofMarketsforGame.
tionofWildlifebyLaw
feShouldOnlybeKilledforaLegitimatePurpo
feisConsideredanInternationalResource
eistheProperToolforDischargeofWildlifePolicy
acyofHunting
Wildlifeconrvationasagovernment
involvement[edit]
In1972,
afterenactment,atrendemergedwherebypolicymakernactedregulationson
ndnon-stateactorsbegantofollowadetailed"framework"towork
ldConrvationStrategywasdevelopedin1980
bythe"InternationalUnionforConrvationofNatureandNaturalResources"(IUCN)
withadvice,cooperationandfinancialassistanceoftheUnitedNationsEnvironment
Programme(UNEP)andtheWorldWildlifeFundandincollaborationwiththeFoodand
AgricultureOrganizationoftheUnitedNations(FAO)andtheUnitedNationsEducational,
ScientificandCulturalOrganization(Unesco)"[10]Thestrategyaimsto"providean
intellectualframeworkandpracticalguidanceforconrvationactions."[10]Thisthorough
guidebookcoververythingfromtheintended"urs"ofthestrategytoitsverypriorities.
Itevenincludesamapctioncontainingareasthathavelargeafoodconsumptionand
nctionsareasfollows:
ria,FL.2012.
Theobjectivesofconrvationandrequirementsfortheirachievement:
nanceofesntialecologicalprocessandlife-supportsystems.
vationofgeneticdiversitythatisfloraandfauna.
nableutilizationofspeciesandecosystems.
Prioritiesfornationalaction:
workfornationalandsub-nationalconrvationstrategies.
makingandtheintegrationofconrvationanddevelopment.
nmentalplanningandrationaluallocation.
Prioritiesforinternationalaction:
ationalaction:lawandassistance.
alforestsanddrylands.
lprogrammefortheprotectionofgeneticresourceareas.
Mapctions:
alforests
sandareassubjecttodertification.
Non-governmentinvolvement[edit]
As―majordevelopmentagencies‖became―discouragedwiththepublicctor‖of
environmentalconrvationinthelate1980s,theagenciesbegantoleantheirsupport
towardsthe―privatector‖ornon-governmentorganizations(NGOs).[11]InaWorldBank
DiscussionPaperitismadeapparentthat―theexplosiveemergenceofnongovernmental
organizations‖thisriinNGO
support,ssmadeamendmentstotheForeignAssistanceActin1979and
1986―forInternationalDevelopment(USAID)funds
forbiodiversity‖.[11]From1990movingthroughrecentyearnvironmentalconrvationin
theNGOctorhasbecomeincreasinglymorefocudonthepoliticalandeconomic
impactofUSAIDgiventowardsthe―EnvironmentandNaturalResources‖.[12]Afterthe
terrorattacksontheWorldTradeCentersonSeptember11,2001andthestartofformer
PresidentBush’sWaronTerror,maintainingandimprovingthequalityoftheenvironment
andnaturalresourcesbecamea―priority‖to―preventinternationaltensions‖accordingto
theLegislationonForeignRelationsThrough2002[12]andction117ofthe1961Foreign
AssistanceAct.[12]ssmodifiedthectionon
endangeredspeciesofthepreviouslyamendedForeignAssistanceAct.
Sec.119.100EndangeredSpecies:
(a)TheCongressfindsthesurvivalofmanyanimalsandplantspeciesindangeredbyover
hunting,bytheprenceoftoxicchemicalsinwater,airandsoil,andbythedestructionof
gressfurtherfindsthattheextinctionofanimalandplantspeciesisan
irreparablelosswithpotentiallyriounvironmentalandeconomicconquencesfor
ingly,theprervationofanimalandplant
speciesthroughtheregulationofthehuntingandtradeinendangeredspecies,through
limitationsonthepollutionofnaturalecosystems,andthroughtheprotectionofwildlife
habitatsshouldbeanimportantobjectiveoftheUnitedStatesdevelopmentassistance.
(b)100Inordertoprervebiologicaldiversity,thePresidentisauthorizedtofurnish
assistanceunderthispart,notwithstandingction660,101toassistcountriesinprotecting
andmaintainingwildlifehabitatsandindevelopingsoundwildlifemanagementandplant
leffortsshouldbemadetoestablishandmaintainwildlife
sanctuaries,rerves,andparks;toenactandenforceanti-poachingmeasures;andtoidentify,
study,andcataloganimalandplantspecies,especiallyintropicalenvironments.[12]
Theamendmentstothectionalsoincludedmodificationsonthectionconcerning
"PVOsandotherNongovernmentalOrganizations."[12]ThectionrequiresthatPVOsand
NGOs"tothefullestextentpossibleinvolvelocalpeoplewithallstagesofdesignand
implementation."[12]TheamendmentstotheForeignAssistanceActandthe
recent[when?]riinUSAIDfundingtowardsforeignenvironmentalconrvationhaveledto
veraldisagreementsintermsofNGOs'roleinforeigndevelopment.
Activenon-governmentorganizations[edit]
ManyNGOxisttoactivelypromote,orbeinvolvedwithwildlifeconrvation:
TheNatureConrvancyisaUScharitableenvironmentalorganizationthatworks
toprervetheplants,animals,andnaturalcommunitiesthatreprentthediversity
oflifeonEarthbyprotectingthelandsandwaterstheyneedtosurvive.[13]
WorldWideFundforNature(WWF)isaninternationalnon-governmental
organizationworkingonissuesregardingtheconrvation,rearchandrestoration
oftheenvironment,formerlynamedtheWorldWildlifeFund,whichremainsitsofficial
eworld'slargestindependent
conrvationorganizationwithover5millionsupportersworldwide,workinginmore
than90countries,supportingaround1300[4]conrvationandenvironmental
harity,withapproximately60%ofitsfundingcoming
fromvoluntarydonationsbyprivateindividuals.45%ofthefund'sincomecomesfrom
theNetherlands,theUnitedKingdomandtheUnitedStates.[14]
WildTeam
WildlifeConrvationSociety
AudubonSociety
Traffic(conrvationprogramme)
SafariClubInternational
WildEarthGuardians
本文发布于:2022-12-26 15:09:48,感谢您对本站的认可!
本文链接:http://www.wtabcd.cn/fanwen/fan/90/34387.html
版权声明:本站内容均来自互联网,仅供演示用,请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系,我们将在24小时内删除。
留言与评论(共有 0 条评论) |