fjiilTX? ffi:lH;pop u L Arr oN ECoLooy rn drurduqt, s\NC[e or
co$6.bte-
qonsm
bf
tndeperrdorc
drtbrenE sPecres oY (xteboqgg
ECOSgS'tern . gyslp of^orgont[rnf
-trrer il\ot nteroct v$th eoch
r{Gut.
ir,e,oriu ehvlronment rndrf&vent'
anuotu$ obntrc (non-trvtng) orrd btoflc lttuirrg)fucOrs'
P0PuL0TISN : gyoul 0f tndlvtduqls 0f some spectes, lltltng rn the
hgbttrtt,0b the S0me Ume/ ltkeu rnErbre€olrhg.
Sgme
C0MIIrtunlTy: more U0n-.9$ popufnt0n of orgonrs/xr occupurng
$ilB;l'fl[1ff".1:,
on4
.'
rqeroct rn o pcrrtrcuktr
Ure sqme arcr ,ht
areo
ue somb ttrne."'-
SpgCteS ,
gr,up of mdrvrdrols nrth Smtl0l char6ctenstq,
copoUe of bveedrng r produclng ferttrc lffspnng'
H0B[T0T: envlrmmenb v\here orgon$rtr ltue nouJtvqllg
ond repyodme
gc0t06rCIL plag rn rtr
Ntcne, tuncttonot rde 0n 0yg00nnr
communtty
m0n goot or 0 poput.tr.n -'rufiffi^l[[,,,y$i,$j[,f.,%.flffy
cnonges tn Popu\ouon strg, .-ar olmto Sq$nal
bossrbtq
br onhuot chonges
{ rmrn,*a,Ot"t oreo,
routdnK entQnrg.on
DNrtlu (t Savounb\e new-
' "hob,ut
* nator,tg
-
mOrto\tg
numbo, of deoths per
o nobrnl obltq Pogu\llr\on lS0 rrUrvd[olS pey
r.e. hrtn riat9 uenstg Ucrr
{Ie no. o0 Urtt\s per r.o. deotrr mde
looo $cnom pu Uear
n 0 crcsED populatrcn,
, emmrorotron ituw;?iiHii,
rndrvrduqts \eovrT oh oreq,
occurs wnen over00puloilon
ond .'. loct of &cb sna
sme
, u\0t\0n
* GeomeTg\c = tx?onenT\qL
"f,-*qPuo"
eo&1 geney0t\ms tncreose "*l,l[fi[rsdnKrns
ot o constonb percentoge;
ile 0oputobbn gets,
torgeY --K
fie fqst* $ grons --1
!
thrs mnnot hoPPen {ovever t c
-C
+he eopul0tlm gets $0 torge o
orrgng apocrtg,
H$,ffiH_^ffi
tln. speuflc enYlron.
con supooyr nrthouE t\rne (genevoL(ons)
degeung tresourc€s
os cqrrgrhg cq0qcitu ts oPproqchgd, compet\Uon movQ th[€riS€;
|Y\&totrig increqses; burlr rate droPs : . ..
^_.., phast
sro6e e$ltrbdum
*L06tSTlC= "S$toped' r-
i ____
etheY \evel oword sb0botlse I ...
bplon trre copocrru ov {Uetuote i itouoorFtron
oround lttusqq[y {ertebroteJ) .i ,/
ton dornogQ., resources
recolel,
lrne Lgenerqt\ons)
*'gmrn" r '3usT"
PoPutauon brlef tV olershoots the
Cop0ctq , then Croshrng
ex-tremg dorrqge, populotron C
-o
mog dre oub'
t-
L+ tl* rnodels^ore gross ilme t t.lt\on t
ovqr-$lmp\flcot\0ns
((ond\t\on! qrQ, vorelg onstont ovevume)
, wtthouE lirnltrhg foctors , o foFrlothn wtlt conhnue to grern;
b trq pevmb o poputocron frun y6clrn
9 mox' r€Prodcrcbnn
growth rote
collectlvelu mlted'envrOnmentgl resgtqnce,,
uensrw-muepen
offecv ott rndruaiGB sluottU , regqrdtss of owrott pop'
{ouo,lrubte chmquc condrhons , 0ostuve etral,b
unf0lourobte ctrmouc mndrttons, negfttue effect
rhGU neludg u{M(tres, huvrtconeS , hOt[ stOYfilS ...
DENSITY - DE?END(INT
fotors thqt hlr[ cyEnge n seueytw wYren o
9ofttohons sr?e \ncv6ses or d<reoses
b tyre moye dense o poputctron bcomes, flle
more d^e$e fx$rs r,0rlt-,u{t0u, effert the densttu
---'-'-7
(ensure n0 overpopuldu0n
ote negouve €edback mechonsihr
:. bheg
)
FOOD
' os PoPutotron lncreoses, lncreosg n yobe of t^thrch ftod totc
{hereforer tncreosed rote 0f mortctlrBg due to sttrvotron
s00ce olercrov{drng coh leod t0 hormonol dtsttrlboncQ, for exgyrr,a,
oggres$on r kr[ung mog occur undey these Ondltron,
otsQ0sQ , dtseose sproods
&ster tuoqgh densey poputqtrons. r.rvortalrtr
SH0Lrgt: wtren p0puhtlgns ore loht, r(lYduolr hove skrltet u
pvedqBvs {\nd rt drffrqrtt to (oDftre preg
Prc$OIORS' sal con odopt t0 (horuQs tn preU dosrq bU rnqrauon t
{ocus on mosb ohlndont s0eoes. 0re9 B prodtols relg on
e0q^ other
COmPgnTl0N : lrlf\ltS lQsCr$CeS
rF tmq[ , tn€{ mog e0rnpete nlth O(her spectes
g6p.
ov mog colYlpee tn some spept tr tnreps@rtc
rf lorge h{mbers -> InTQoSPeCtFtc
co$6.bte-
qonsm
bf
tndeperrdorc
drtbrenE sPecres oY (xteboqgg
ECOSgS'tern . gyslp of^orgont[rnf
-trrer il\ot nteroct v$th eoch
r{Gut.
ir,e,oriu ehvlronment rndrf&vent'
anuotu$ obntrc (non-trvtng) orrd btoflc lttuirrg)fucOrs'
P0PuL0TISN : gyoul 0f tndlvtduqls 0f some spectes, lltltng rn the
hgbttrtt,0b the S0me Ume/ ltkeu rnErbre€olrhg.
Sgme
C0MIIrtunlTy: more U0n-.9$ popufnt0n of orgonrs/xr occupurng
$ilB;l'fl[1ff".1:,
on4
.'
rqeroct rn o pcrrtrcuktr
Ure sqme arcr ,ht
areo
ue somb ttrne."'-
SpgCteS ,
gr,up of mdrvrdrols nrth Smtl0l char6ctenstq,
copoUe of bveedrng r produclng ferttrc lffspnng'
H0B[T0T: envlrmmenb v\here orgon$rtr ltue nouJtvqllg
ond repyodme
gc0t06rCIL plag rn rtr
Ntcne, tuncttonot rde 0n 0yg00nnr
communtty
m0n goot or 0 poput.tr.n -'rufiffi^l[[,,,y$i,$j[,f.,%.flffy
cnonges tn Popu\ouon strg, .-ar olmto Sq$nal
bossrbtq
br onhuot chonges
{ rmrn,*a,Ot"t oreo,
routdnK entQnrg.on
DNrtlu (t Savounb\e new-
' "hob,ut
* nator,tg
-
mOrto\tg
numbo, of deoths per
o nobrnl obltq Pogu\llr\on lS0 rrUrvd[olS pey
r.e. hrtn riat9 uenstg Ucrr
{Ie no. o0 Urtt\s per r.o. deotrr mde
looo $cnom pu Uear
n 0 crcsED populatrcn,
, emmrorotron ituw;?iiHii,
rndrvrduqts \eovrT oh oreq,
occurs wnen over00puloilon
ond .'. loct of &cb sna
sme
, u\0t\0n
* GeomeTg\c = tx?onenT\qL
"f,-*qPuo"
eo&1 geney0t\ms tncreose "*l,l[fi[rsdnKrns
ot o constonb percentoge;
ile 0oputobbn gets,
torgeY --K
fie fqst* $ grons --1
!
thrs mnnot hoPPen {ovever t c
-C
+he eopul0tlm gets $0 torge o
orrgng apocrtg,
H$,ffiH_^ffi
tln. speuflc enYlron.
con supooyr nrthouE t\rne (genevoL(ons)
degeung tresourc€s
os cqrrgrhg cq0qcitu ts oPproqchgd, compet\Uon movQ th[€riS€;
|Y\&totrig increqses; burlr rate droPs : . ..
^_.., phast
sro6e e$ltrbdum
*L06tSTlC= "S$toped' r-
i ____
etheY \evel oword sb0botlse I ...
bplon trre copocrru ov {Uetuote i itouoorFtron
oround lttusqq[y {ertebroteJ) .i ,/
ton dornogQ., resources
recolel,
lrne Lgenerqt\ons)
*'gmrn" r '3usT"
PoPutauon brlef tV olershoots the
Cop0ctq , then Croshrng
ex-tremg dorrqge, populotron C
-o
mog dre oub'
t-
L+ tl* rnodels^ore gross ilme t t.lt\on t
ovqr-$lmp\flcot\0ns
((ond\t\on! qrQ, vorelg onstont ovevume)
, wtthouE lirnltrhg foctors , o foFrlothn wtlt conhnue to grern;
b trq pevmb o poputocron frun y6clrn
9 mox' r€Prodcrcbnn
growth rote
collectlvelu mlted'envrOnmentgl resgtqnce,,
uensrw-muepen
offecv ott rndruaiGB sluottU , regqrdtss of owrott pop'
{ouo,lrubte chmquc condrhons , 0ostuve etral,b
unf0lourobte ctrmouc mndrttons, negfttue effect
rhGU neludg u{M(tres, huvrtconeS , hOt[ stOYfilS ...
DENSITY - DE?END(INT
fotors thqt hlr[ cyEnge n seueytw wYren o
9ofttohons sr?e \ncv6ses or d<reoses
b tyre moye dense o poputctron bcomes, flle
more d^e$e fx$rs r,0rlt-,u{t0u, effert the densttu
---'-'-7
(ensure n0 overpopuldu0n
ote negouve €edback mechonsihr
:. bheg
)
FOOD
' os PoPutotron lncreoses, lncreosg n yobe of t^thrch ftod totc
{hereforer tncreosed rote 0f mortctlrBg due to sttrvotron
s00ce olercrov{drng coh leod t0 hormonol dtsttrlboncQ, for exgyrr,a,
oggres$on r kr[ung mog occur undey these Ondltron,
otsQ0sQ , dtseose sproods
&ster tuoqgh densey poputqtrons. r.rvortalrtr
SH0Lrgt: wtren p0puhtlgns ore loht, r(lYduolr hove skrltet u
pvedqBvs {\nd rt drffrqrtt to (oDftre preg
Prc$OIORS' sal con odopt t0 (horuQs tn preU dosrq bU rnqrauon t
{ocus on mosb ohlndont s0eoes. 0re9 B prodtols relg on
e0q^ other
COmPgnTl0N : lrlf\ltS lQsCr$CeS
rF tmq[ , tn€{ mog e0rnpete nlth O(her spectes
g6p.
ov mog colYlpee tn some spept tr tnreps@rtc
rf lorge h{mbers -> InTQoSPeCtFtc
