Conference pyramid - nws .. Txoj cai ecological pyramid. piv txwv

Feem ntau txoj kev tshawb no ntawm ecological pyramids ua zoo muaj teeb meem rau cov tub ntxhais kawm. Nyob rau hauv qhov tseeb, txawm lub feem ntau txheej thaum ub thiab khaub-ncaws nyias ecological pyramid pib kawm ntau preschool thiab tsev kawm ntawv cov me nyuam nyob rau hauv thawj lub tsev kawm ntawv. Ecology raws li ib tug science nyob rau hauv xyoo tsis ntev los twb pib them ib tug loj npaum li cas ntawm cov xim, vim hais tias qhov no science plays ib qho tseem ceeb luag hauj lwm nyob rau hauv lub niaj hnub ntiaj teb no. Conference pyramid - nws yog ib feem ntawm lub ecology raws li ib tug science. Nyob rau hauv thiaj li yuav to taub li cas nws yog, koj yuav tsum nyeem no tsab xov xwm.

Yuav ua li cas yog lub ecological pyramid?

Conference pyramid - yog ib tug nraaj tsim uas yog feem ntau portrayed nyob rau hauv lub duab ntawm ib daim duab peb sab. Cov qauv sawv cev rau lub trophic qauv ntawm biocenosis. Qhov no txhais tau tias tej pyramid sawv cev rau tus xov tooj ntawm cov neeg, lawv cov biomass los yog nqi ntawm lub zog uas yog muaj nyob rau ntawd. Txhua yam uas lawv yuav muaj ib tug qhia. Raws li, qhov no txhais tau tias cov ib puag ncig pyramids yuav ua tau ntawm ob peb hom: ib tug pyramid, uas qhia txog cov tib neeg, ib tug pyramid, uas qhia rau hauv lub xov tooj ntawm cov neeg uas sawv cev los ntawm biomass thiab qhov tseeb ib puag ncig hauv, uas illustrates tus nqi ntawm lub zog uas muaj nyob hauv cov nrws.

Yuav ua li cas yog ib tug pyramid ntawm tus xov tooj?

Hauv xov tooj (los yog xov tooj) qhia tau hais tias cov xov tooj ntawm cov kab mob no nyob rau hauv txhua trophic theem. Qhov no tej duab qauv yuav siv tau nyob rau hauv science, tab sis nws yog tsis tshua muaj tsis tshua muaj. Links nyob rau hauv lub ecological pyramid ntawm abundance yuav sawv cev zoo rau infinity, uas yog, ecological lub zej lub zos qauv nyob rau hauv ib tug pyramid portray tsis tshua muaj neeg yooj yim. Nyob rau hauv tas li ntawd, nyob rau hauv txhua trophic theem muaj ntau ntau cov tib neeg, vim hais tias cov neeg uas tej zaum yuav luag tsis yooj yim sua kom pom khoom qauv biocenosis ib teev daim ntawv qhia.

QAUV constructing ib lub pyramid ntawm tus xov tooj

Nyob rau hauv thiaj li yuav to taub lub pyramid ntawm tus xov tooj thiab nws siv, nws yog tsim nyog los nrhiav tau tawm yog dab tsi hom thiab zoo li cas kev sis raug zoo nruab nrab ntawm lawv muaj xws li no ecological pyramid. Piv txwv yuav tam sim no xav txog nyob rau hauv kom meej.

Cia puag daim duab yuav ua tau 1,000 tons ntawm cov nyom. Qhov no tshuaj ntsuab, hais rau 1 xyoo yuav tsum tau pub lawv tus kheej nyob rau hauv lub natural tej yam kev mob ntawm cov ciaj sia taus ntawm cov kev txiav txim ntawm 26 lab hom grasshoppers thiab lwm yam kab. Grasshoppers nyob rau hauv rooj plaub no yuav tsum tau nyob saum toj no tej nroj tsuag thiab compose lub thib ob trophic theem. Qhov thib peb trophic theem yuav 90 txhiab qav xyoo noj zaub mov hauv qab no lub kab. Hais txog 300 trout yuav tsum tau siv cov qav rau hauv lub xyoo, ntsig txog, lawv yuav tsum tau nyob rau hauv lub thib peb trophic theem nyob rau hauv lub pyramid. Ib tug neeg laus yuav tsum tau nyob twb nyob rau hauv sab saum toj ntawm lub ecological pyramid, nws yuav tsum yog tus fifth thiab zaum kawg link nyob rau hauv no saw, uas yog tus kawg trophic theem. Qhov no yog vim hais tias rau lub xyoo neeg yuav tau haus cov zaub mov nyob ib ncig ntawm 300 trout. Nyob rau hauv lem, tus txiv neej yog lub siab tshaj plaws qhov link hauv cov zaub mov saw, feem, twb haus nws nyob rau hauv khoom noj khoom haus tsis muaj ib tug yuav. Raws li muaj nyob rau hauv qhov piv txwv ntawm cov uas ploj lawm mus nyob rau hauv cov ib puag ncig hauv xov tooj tsis yooj yim sua.

pyramid ntawm biomass

Nws yuav muaj ib tug ntau yam ntawm lug nyob ntawm lub ecosystem. Piv txwv li, lub pyramid terrestrial ecosystems yuav xyuas ntau lub tib yam li lub zog pyramid. Qhov no txhais tau tias cov biomass pyramid yuav ua lub tsev nyob rau hauv xws li ib tug txoj kev hais tias tus nqi ntawm biomass yuav txo tau nrog txhua successive trophic theem.

Nyob rau hauv dav dav, lub pyramid ntawm biomass kawm mas cov me nyuam kawm ntawv, vim hais tias lawv yuav tsum tau rau kev nkag siab txog ib co ntawm cov kev txawj ntse nyob rau hauv lub teb ntawm biology, ecology thiab kev kawm txog tsiaj txhu. Qhov no tej pyramid - yog ib tug duab duab uas nruab nrab yog cov kev sib raug zoo ntawm protsudentami (i.e. organic tshuaj los ntawm inorganic manufacturers) thiab los ntawm cov kev pab (cov neeg siv ntawm cov organic tshuaj).

Yuav ua li cas yog tau txais kev pab thiab protsudenty?

Nyob rau hauv thiaj li yuav yeej to taub lub hauv paus ntsiab lus ntawm constructing ib lub pyramid ntawm biomass, nws yog tsim nyog los nkag siab txog uas tus neeg thiab protsudenty.

Protsudentami yog organic tshuaj los ntawm inorganic manufacturers. Cov no yog cov nroj tsuag. Piv txwv li, nplooj ntawm cov nroj tsuag siv cov pa roj carbon dioxide (ib tug inorganic tshuaj), thiab tsim raws li ib tug tshwm sim ntawm photosynthesis organic teeb meem.

Consuments - Neeg ntaub ntawv organic tshuaj. Nyob rau hauv terrestrial ecosystems lawv yog tsiaj thiab neeg, thiab nyob rau hauv dej ecosystems - ntau yam marine tsiaj thiab ntses.

Inverted pyramid ntawm biomass

Inverted pyramid ntawm biomass yog qhov kev siv ntawm ib tus inverted lub daim duab peb sab down, uas yog, nws puag yog nqaim tshaj lub saum toj. Qhov no yog hu ua ib tug pyramid ntxeev los yog inverted. Environmental pyramid muaj ib tug siv nyob rau hauv cov ntaub ntawv no biomass protsudentov (producers ntawm cov organic tshuaj) yog qis dua lub biomass ntawm tau txais kev pab (cov neeg siv ntawm cov organic tshuaj).

zog pyramid

Raws li peb paub, cov ecological pyramid - ib tug duab qauv ntawm ib qho ecosystem. Ib tug ntawm cov tseem ceeb ecological qauv yog ib tug graphical tsim kho ntawm lub zog txaus. Lub pyramid, uas qhia cov kev ceev thiab lub sij hawm ntawm zaj zaub mov los ntawm cov khoom noj khoom haus saw, yog hu ua pyramid zog. Nws tau raug formulated rau tus naas ej American paub txog, uas yog ib tug environmentalist thiab zoologist - Raymond Lindeman. Raymond formulated cai lij choj (feem ntau yog ib puag ncig hauv), uas yuav lav hais tias cov kev hloov los ntawm ib tug qis trophic theem sawv cev los ntawm lub tom ntej zaub mov saw kis txog 10% (ntau dua los yog tsawg dua) ntawm lub zog uas nkag mus rau hauv lub yav dhau los theem nyob rau hauv lub tej pyramid. Ib tug seem ntawm lub zog feem ntau npaum on tseem ceeb heev txoj kev nyob rau hauv embodiment ntawm tus txheej txheem no. Raws li ib tug tshwm sim ntawm cov kev pauv txheej txheem nyob rau hauv txhua theem ntawm cov kab mob no tsis tau txog 90% ntawm nws lub zog.

Tus qauv ntawm lub zog hauv

Nyob rau hauv qhov tseeb, kev cai lij choj yog hais tias los ntawm lub sab sauv trophic theem mus me npaum li cas (ob peb lub sij hawm) ntawm lub zog tshaj qhov qis. Nws yog vim li no hais tias tus loj beasts of prey yog npaum li cas me dua, piv txwv li, cov qav thiab cov kab.

Xav txog, piv txwv li, xws li ib tug tsiaj nyaum, zoo li ib tug dais. Nws yuav ua tau rau sab saum toj, uas yog, nyob rau heev kawg trophic theem, vim hais tias nws yog ib qhov nyuaj mus nrhiav ib tug tsiaj uas yog noj mus rau lawv. Nyob rau hauv cov ntaub ntawv yog hais tias muaj ib tug loj tus naj npawb ntawm cov tsiaj uas yuav consumed nyob rau hauv cov zaub mov ntawm bears, lawv yuav tau tuag vim hais tias lawv yuav tsis pub lawv tus kheej, txij thaum bears yog scarce. Qhov no qhia tau lub zog pyramid.

Hauv ntawm tej yam ntuj tso equilibria

Nws cov tub ntxhais kawm pib kawm nyob rau hauv 1-hlau los yog 2-qib, vim hais tias nws yog heev yooj yim rau to taub, tab sis nyob rau tib lub sij hawm yog tseem ceeb heev raws li ib feem ntawm ib puag ncig kev kawm. tej yam ntuj tso tshuav nyiaj li cas hauv ua hauj lwm nyob rau hauv txawv ecosystems, ob qho tib si nyob rau hauv lub terrestrial xwm, thiab nyob rau hauv lub submarine. Feem ntau nws yog siv los paub cov menyuam kawm ntawv tseem ceeb ntawm txhua txhua zeej rau lub ntiaj teb. Nyob rau hauv thiaj li yuav to taub lub pyramid ntawm tej yam ntuj tso equilibrium, nws yog tsim nyog los xav txog cov piv txwv.

Piv txwv ntawm lub tsev lub pyramid ntuj equilibria

Hauv ntawm tej yam ntuj tso equilibria yuav qhia tus sis ntawm dej ntws thiab forests. Piv txwv li, ib tug duab duab tej zaum yuav qhia cov nram qab no sib tham ntawm natural resources: forests loj hlob ntawm tus ntug dej ntawm tus dej, uas mus ntxaum deb deb. Tus dej yog heev affluent, thiab rau nws cov ntug dej loj hlob paj, nceb, fab. Nws dej kuj yog ib tug ntau ntawm cov ntses. Nyob rau hauv qhov kev piv txwv, cov ecological tshuav nyiaj li cas yog cai. Tus dej muab tau nws cov dej rau cov ntoo, cov ntoo kuj muab ntxoov ntxoo, tsis pub dej qhuav los ntawm cov hav dej. Xav txog ib tug opposite piv txwv ntuj equilibrium. Yog hais tias lub hav zoov ib yam dab tsi tshwm sim, cov ntoo yuav tau hlawv los yog txiav down, tus dej yuav qhuav li tsis tau kev tiv thaiv. Qhov no yog ib qho piv txwv ntawm kev puas tsuaj ntawm cov ecological tshuav nyiaj li cas.

Cov tib tshaj plaws yuav tshwm sim nrog cov tsiaj thiab nroj tsuag. Xav txog owls, ntoo nas thiab acorns. Acorns yog lub hauv paus ntawm lub pyramid nyob rau hauv cov ib puag ncig tshuav nyiaj li cas ntawm cov xwm, vim hais tias lawv tsis noj dab tsi, tab sis nyob rau tib lub sij hawm pub cov nas. Qhov thib ob feem nyob rau hauv lub tom ntej no trophic theem yuav lub hav zoov nas. Lawv pub on acorns. Nyob rau sab saum toj ntawm lub pyramid yog cov owls, vim hais tias lawv pub rau nas. Yog hais tias poob acorns uas loj hlob nyob rau hauv tsob ntoo, tus nas yuav tsis muaj dab tsi noj thiab lawv yuav yuav tuag. Tab sis, ces tsis muaj ib tug yuav tau owls, thiab tag nrho cov ntawm lawv views yuav ploj. Qhov no yog lub ntuj tshuav nyiaj li cas hauv.

Los ntawm cov pyramids ecologists peev xwm saib xyuas hauv lub xeev ntawm cov xwm, cov tsiaj qus thiab kos tsim nyog cov lus xaus.