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8/18/2019 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
8/18/2019 Bio Conservation Essay
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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
8/18/2019 Bio Conservation Essay
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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