Bio Conservation Essay

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    Conservation Essay

    Biology 112

    Alan Reid

    University of the Fraser Valley

    Matthew Strauss

    April ! 2"1#

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    $adies and %entle&en of the 'oard! we fa(e a (risis) *ithout going into detail why! only

    + of the designated 12 ani&als (an 'e saved) ,hey have 'een (hosen and the rational why

    follows)

    ,he -uestion is not who to save 'ut who (an 'e lost) *ho! when re&oved fro& their

    e(osyste&! will result in the least i&pa(t. ,hose who are /0eystone/ in their respe(tive

    environ&ent &ust 'e saved) ,herefore! (ultural and so(ial status &ust 'e ignored) u&ans (an

    adapt to su(h (hanges) n no parti(ular order! ea(h ani&al will 'e assessed and graded on a

     point s(ale)

    3oint Value Status

    Criti(al to Multiple E(osyste&s

    + Criti(al to $o(al E(osyste&

    2 4on5Criti(al to $o(al E(osyste&

    1 solated in $o(al E(osyste&

    A short e6planation of the grade will follow ea(h ani&als des(ription)

    7oala 3has(olar(tos (inereus

    a'itat Forested Australia

    3rey Eu(alyptus

    3redators 8ingo! large python! 'irds of prey on young

    Status $east Con(ern

    3oints 2

    A 7oala/s i&pa(t on it/s lo(al e(osyste& appears &ini&al) Food for other (arnivores 'ut

    neither wide spread enough or essential enough to (ause distin(t i&pa(t on the food (hain) As the

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    7oala pri&arily ingests Eu(alyptus and is not ne(essary for Eu(alyptus (ontrol! the 7oala is

    graded as 4on5Criti(al in it/s e(osyste&) f re&oved entirely! lo(al predator/s would find other

    sour(es of food and the eu(alyptus would grow as 'efore)

    Aye5Aye 8au'entonia &adagas(ariensis

    a'itat East (oast Madagas(ar 

    3rey nse(ts! larvae! fruit

    3redators u&an! fossa! 'irds of prey

    Status Endangered

    *orlds largest no(turnal pri&ate)

    3oints 2

    ,he Aye5Aye provides a &a&&alian aspe(t in Madagas(ar/s uni-ue e(osyste&) ,his

    endangered ani&al eats pri&arily inse(ts! larvae and fruit while 'eing prey to fossa! 'irds and

    hu&ans 9Sterling! 1::+;) As the fossa (an also hunt le&urs! they Aye5Aye/s presen(e is valued

     'ut not essential! garnering it a ran0 of 2)

    Mole Rat etero(ephalus gla'er  

    a'itat East Afri(a 9Southern Ethiopia! 7enya!

    So&alia;

    3rey ,u'ers

    3redators Sna0es

    Status 4ot ,hreatened

    Resistant to Can(er< $ongest $iving Rodent 9+1 years;

    3oints 2

    A'undant and radi(ivorous! the &ole rat/s food will (ontinue to persist in neither e6(ess

    nor re(ess) ,he sna0es that prey on the &ole rat &ay feel the i&pa(t! 'ut it is 'elieved not overly

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    so) Uni-ue to the Mole Rat is it/s longevity and parti(ular resistan(e to (an(er 9Buffenstein!

    2""=;) For &edi(al reasons! &aintaining the &ole rat population for study would 'e preferred!

     'ut not over the potential destru(tion of other e(osyste&s) A 2 is given with preferen(e over

    other 2 rated ani&als)

    3anda Ailuropoda &elanole(ua

    a'itat Mountain ranges in (entral (hina

    3rey Eu(alyptus

    3redators Adult stage> none< (u's> ?a(0als! leopards! et()

    Status Endangered

    3anda waste (ontains &i(ro'es 'eing studied for potential 'iofuel< 2""" panda/s left)

    3oints 2

    ,he %iant 3anda! li0e the 7oala! re(eives a 2 for 'eing neither essential for predators nor

    ne(essary for 0eeping the Eu(alyptus in (he(0) 4ota'le is the s(ientifi( resear(h 'eing done in

     panda waste! where &i(ro'es are 'eing studied for their potential 'iofuel 'enefits) ,his would

     pla(e the 3anda a'ove other 2 rated ani&als 9e-ual with the Mole Rat;)

    $a&ottes Round $eaf Bat ipposideros la&ottei

    a'itat Mount 4i&'a< 'order of Cote d/voire! %uinea

    3rey nse(ts

    3redators u&ans 9food! deforestation! iron ore &ining;

    Status Criti(ally Endangered

    3oints 1

    $a&ottes Round $eaf Bat! while not te(hni(ally isolated in it/s e(osyste&! has only #

    0nown spe(ies in e6isten(e) ,he da&age hu&ans are doing to its ha'itat o's(ures the a(tual

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    i&pa(t the Round $eaf Bat/s a'sen(e would have! 'ut it (an 'e e6trapolated fro& the la(0 of

    (urrent serious detri&ental effe(ts that the Round $eaf Bat is not (riti(al to the e(osyste&)

    arp Seal 3agophilus groenlandi(us

    a'itat Eastern Canada! %reenland and *estern Russia

    3rey Fish and Crusta(eans

    3redators 3olar Bears! u&ans! Fo6es! *olves! @r(as

    and Shar0s

    Status ,hreatened

    3oints +

    *idely hunted 'y &a&&als a(ross large northern e6panses! the harp seal provides food

    for &any (reatures) t/s de(lination would 'e felt throughout the northern spe(ies 'ut it is not

    0nown how deeply) t garners a + due to their volu&e in northern environ&ents! where few

    spe(ies &anage to survive) t/s i&portan(e is largely as food and thus would ran0 lower than

    other + rated ani&als)

    Alligator A&eri(an A) 9Alligator Mississippiensis;

    Chinese A) 9Alligator Sinensis;

    a'itat Southeast United States< angte River Valley

    3rey Fish! inse(ts! (rusta(eans< turtles! 'irds!

    reptiles< panthers and 'la(0 'ears

    3redators oung to 'irds and ra(oons< 'o'(ats! otters!

    sna0es and larger alligators

    Status 4ot Endangered

    7eep Coypu and Mus0rat population in (he(0 

    3oints +

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    ,he Alligator provides a (ontrol on lo(al ani&als)) ,he a'sen(e of Alligators (an 'e

    assu&ed to da&age lo(al e(osyste&s fro& the spi0e in Coypu and Mus0rats ran0ing the

    Alligator at +)

    Daguar 3anthera on(a

    a'itat Me6i(an and South A&eri(an rainforests)

    3rey @'ligate Carnivor terrestrial verte'rates)

    3redators u&ans

    Status 4ear ,hreatened

    7eystone predator in e(osyste&)

    3oints +

    7eystone predator status is (urrently de'ated 'ut tends to des(ri'e a (reature that

    &aintains lo(al populations through hunting 9Steiner! 2""+;) $i0e the Alligator! the Daguar is

    thought to 0eep other populations in (he(0) ts e(ologi(al i&pa(t is disproportionate to it/s

     population 9Vander&eer! 1::;) For that reason! the Daguar re(eives a +)

    Vulture 4ew *orld and @ld *orld Vultures

    a'itat *ar& and te&perate A&eri(as< Afri(a! Asia!

    Europe

    3rey 8ead (ar(asses< dying ani&als

    3redators %reat horned owls! read tailed haw0s! golden

    eaglesStatus 3arti(ular old world vultures are 4ear

    ,hreatened

    3oints 2

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    *ide spread and only threatened in ndian e(osyste&s due to di(lofena( poisoning ! the

    Vulture provides re(y(ling of dead ani&als 9%reen! 2"";) ,he Vulture only eats dead or dying

    ani&als and as s&all ani&als (an provide the sa&e! the vulture is not essential to its e(osyste&

    and is ran0ed 2)

    Blue Sided ,ree Frog Agaly(hnis annae

    a'itat ,ropi(al rainforests of Costa Ri(a and 3ana&a

    3rey nse(ts

    3redators iphophorus hellerii fish! (hytridio&y(osis!

    hu&an pet trade

    Status Endangered

    3oints 2

    7eeping no populations in (ontrol! providing no (urrent s(ientifi( 'enefit and food for

    spe(ifi( fish that do not depend on it! the Blue ,ree frog is a low 2 due to it/s la(0 of proposed

    i&pa(t were it a'sent fro& its e(osyste&)

    Soft Shell ,urtle ,riony(hiae fa&ily 9soft shells;

    a'itat $argely a-uati( Afri(a! Asia and 4orth

    A&eri(a

    3rey Fish! (rusta(eans! snails! a&phi'ians

    3redators u&ans! large fish! ra(oons! long legged

    herons)

    Status Vulnera'le

    3oints 2

    Food for hu&ans and other ani&als! the Soft Shell ,urtle is not essential to any parti(ular

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    e(osyste& and re(ieves a 2)

    Clown Fish A&phiprioninae 9su'fa&ily;

    a'itat *ar&er water of indian and pa(ifi( o(ean<

    %reat Barrier Reef)

    3rey Gooplan0ton! undigested host ane&one food)

    3redators $arge fish! eel and shar0)

    Status 4ot Endangered

    3oints 2

    ,he Clown Fish provides a sy&'ioti( relationship to ane&one 98unn! 1:1;) As the

    Clown Fish is not essential to parti(ular e(osyste&s and 0eeps no populations in (he(0 through

     predation or 'eing preyed upon! it is rated at 2)

    @f the ani&als evaluated! the following have 'een (hosen to save> Daguar! Alligator and

    arp Seal) ,he s(ientifi( 'enefits of saving the %iant 3anda and Mole Rat are 'eing resear(hed

    and (urrently un0nown) ,he Daguar and Alligator provide population (ontrol that! were they

    a'sent! lo(al populations are assu&ed to in(rease and detri&entally influen(e the lo(al

    e(osyste&) ,he arp Seal provides food for ani&als in northern e(osyste&s that! were they

    a'sent! would have signifi(ant diffi(ulty in finding other food due to the desolate environ&ent

    they inha'it) All other ani&als are a((epta'le losses in (o&parison to these three)

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    Referen(es

    Buffenstein! R) 92""=;) ,he 4a0ed Mole5Rat> A 4ew $ong5$iving Model for u&an

    Aging Resear(h HA'stra(tI) The Journals of Gerontology, 60911;! a! 1+#:51+JJ) Retrieved April

    +! 2"1#! fro& http>KK'io&edgerontology)o6ford?ournals)orgK(ontentK#"K11K1+#:)short

    8unn! 8) F) 91:1;) ,he Clownfish Sea Ane&ones> Sti(hoda(tylidea 9Coelenterata>

    A(tiniaria; and @ther Sea Ane&ones Sy&'ioti( with 3o&a(entrid Fishes)  American

     Philosophical Society, 7191;! +511=) Retrieved April +! 2"1#! fro&

    http>KKwww)?stor)orgKsta'leK1""#+2.se-L1pageNs(anNta'N(ontents

    %reen! R) E)! 4ewton! )! Cunningha&! A) A)! Shult! S)! %il'ert! M)! 3ain! 8) D)! O

    3ra0ash! V) 92"";) 8i(lofena( poisoning as a (ause of vulture population de(lines a(ross the

    ndian su'(ontinent HA'stra(tI) Dournal of Applied E(ology! 19=;! J:+5"") Retrieved April +!

    2"1#! fro& http>KKonlineli'rary)wiley)(o&KdoiK1")1111K?)""215:"1)2"")"":=)6Kfull

    Steiner! C) F) 92""+;) 7eystone predator effe(ts and graer (ontrol of plan0toni( pri&ary

     produ(tion HA'stra(tI) @i0os! 1"19+;! =#:5=JJ) Retrieved April +! 2"1#! fro&

    http>KKonlineli'rary)wiley)(o&KdoiK1")1"+K?)1#""5"J"#)2""+)12+":)6Ka'stra(t

    Sterling! E) D) 91::+;) 3atterns of Range Use and So(ial @rganiation in Aye5Ayes

    98au'entonia Madagas(ariensis; on 4osy Manga'e HA'stra(tI) $e&ur So(ial Syste&s and ,heir

    E(ologi(al Basis! 151") Retrieved April +! 2"1#! fro&

    http>KKlin0)springer)(o&K(hapterK1")1""JK:J515::52125N1

    http://onlinelibrary.wiley.com/doi/10.1111/j.0021-8901.2004.00954.x/fullhttp://onlinelibrary.wiley.com/doi/10.1034/j.1600-0706.2003.12309.x/abstracthttp://onlinelibrary.wiley.com/doi/10.1111/j.0021-8901.2004.00954.x/fullhttp://onlinelibrary.wiley.com/doi/10.1034/j.1600-0706.2003.12309.x/abstract

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    Vander&eer! D)! O Mar(h! S) 91::;) ndire(t Effe(ts with a 7eystone 3redator>

    Coe6isten(e and Chaos HA'stra(tI) ,heoreti(al 3opulation Biology! =91;! +5+) Retrieved April

    +! 2"1#! fro& http>KKwww)s(ien(edire(t)(o&Ks(ien(eKarti(leKpiiKS"""="::J:1+=J=

    http://www.sciencedirect.com/science/article/pii/S0040580997913575http://www.sciencedirect.com/science/article/pii/S0040580997913575