Science in Action Notes_ Biological Diversity (4

Science in Action Notes_ Biological Diversity (4 - 1/30/12...

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Unformatted text preview: 1/30/12 Science in Action Notes: Biological Diversity (4.0) Science in Action Notes: Biological Diversity (4.0) Print 4.1 . A Closer L ook at Variation Reduction of Biological Diversit T he ee f ba i a i a d habi a i i b fa i g a d i d dec i e i ge e ic , ec ie a d ec e di e i . E i c i , ia i deg ada i f ec e ed c e bi gic a di e i he Ea h. ha e ed i a dec ea e a d Extinction and Extirpation Extinction i he di a ea a c e f e e i di id a f a ec ie f he ee i e a e . I i aa aa f he Ea h' hi . Sc ie i e i a e ha 99% f ec ie ha ha e e e e i ed he Ea h a e e ic ( a b a e ici dde e i ea c ha ge, i e he Ic e Age). M e ici a e ac e e g ei d f i e, b he a e fe i c i i i i g, a d hi i ed c i g he bi gic a di e i f a e. Extirpation i a c a e i c i , he di a ea a c e f a ec ie f a a ic a a ea. T he Ge e a S a f A be a Wi d S ec ie 2000 ( df f a) Natural C auses of Extinction and Extirpation Natural selection i a c e . E e if he e i a f a ia i e i e he c ha ge i he e i e ae d a ic ha a d i di id a i hi a ec ie c a i e. M e ici , i he a , ca a ac hic e e ff ( d (d e c a ic e e ai i , ea h a e ,f i hi a ec ie , ic , ha e f he eed e : d , f i e) ) di ea e N a e ici ha e ed i i i e a d he he d , a ec ie , f ea i hi a ag . Di ea e a d a a e e cc a ic a a ea, c a be e i a ed e a ic he . Ov erspeciali ation S ei e ga i ha e ada ei e a c di i . T hi ei e de c ha ge f a di i a he c a e f e i c bec a e i e ie ba b , a ai ha i he a cc i a ea i ae g ei d f i . T he gia a da i i gi e be ei e i e. a ci ae a ef ab e a ea, he e he T hi i c a ed ov erspeciali ation ec ie ha i e ec ia i ed, , he he ba b i c a c e. Human C auses of Extinctions and Extirpations M e ici a de i ai Habitat destruction - a a e da a e c a f- ed b h a ac i i . U ba i a i C ci ag ic a de e e L ggi g Da edquest.ca/component/ ig f ie /131-science-in-action-notes-biological-diversity-4 1/3 1/30/12 Science in Action Notes: Biological Diversity (4.0) P P ,H F Introduction of Non- Nativ e Species W , , , T . , , . Ov er- Hunting T Bison, passenger pigeon. S black- tailed prairie dogs . .T 1930' Effects of E tinctions and E tirpations E .W , .T . 4.2 . Selec ing De i able T ai Artificial Selection .T , .O .T .T artificial selection , , 'natural' 'artificial' , . Biotechnolog T .T ' - , ' ' - cloning ( ' , .F , ; ) artificial insemination ( ) in v itro fertili ation ( ) genetic engineering ( DNA ) Biotechnolog and Societ Beneficial de imen al , , ?T .T , , risks in animals ( , , risks in plants ( edquest.ca/component/ /131-science-in-action-notes-biological-diversity-4 ) ) 2/3 1/30/12 Science in Action Notes: Biological Diversity (4.0) 4.3 . Red cing O Impac on Biological Di e i P e e ing global biologic al di e i i a c hallenge C anadian Biodiv ersit Stateg a c ea ed o p done h o gh he c oope a ion of man le el of ge agenc ie and indi id al , ho a e dedic a ed o p e ha i ec ei ing m e e e biodi e i e nmen , along i e ing o biodi e Protected Areas (Na ional Pa k , P o inc ial Pa k , game p e e c h a en ion. T he 1995 in Canada. I ill be h man g o p , ef e. e , na Restoration Programs for Ecos stems and Species (Go e nmen Conser vanc of Canada p og am indi id al lando ne o p c ha e land f o D c k Unlimi ed CARE p og am, S if Fo - e Canada and no and Nat ur e pec ie habi a gi ing habi a bac k - in he f o m of a na al a e a ) ene al, all p o ec ed a ea, o a ion of a pec ie - e i pa ed f om ec o e ing) Resource Use Policies (La - Na ional Acco d fo he P oc ec ion of Specie a Ri k - Specie a Ri k Ac - Wildlife Ac , 1998) C ontrolling the Introduction and Spread of E otic Species (Inf o ma ion and eac hing abo he in a i ene of an e o ic a eg la ba i . Penal ie and f ine , a pec ie i c omm nic a ed o he p blic on ell a lo of de i able a ea f o p po e , ha imp o ed he pe c ep ion of he nega i e ef f ec an e o ic ha e on a loc al ec o ec ea ional pec ie c an em.) C onserv ation Of genetic resources (E - i c on e a ion ef e o c on e a ion of c omponen of biodi e i o ide of a na al habi a . T he c ollec ion and o age of gene ic e o c e , c h a eed (IPGRI) Zoo (c ap i e b eeding p og am ) Spe m and Egg Bank H man Genome P ojec edquest.ca/component/ /131-science-in-action-notes-biological-diversity-4 3/3 ...
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This note was uploaded on 01/30/2012 for the course SCIE 027 taught by Professor Edward during the Fall '11 term at Broward College.

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