Video: Tus nqi thiab kev tsim khoom yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Kev Ntsuas Tus Nqi . Hauv lwm lo lus, lub kev txheeb xyuas tus nqi muaj kev txhawj xeeb txog kev txiav txim siab cov nqi ntawm cov khoom siv (cov khoom siv, cov khoom siv raw), hu ua tag nrho tus nqi ntawm ntau lawm uas pab txiav txim siab qhov zoo tshaj plaws qib ntawm ntau lawm.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog kev tshuaj xyuas ntau lawm?
Kev tshuaj xyuas ntau lawm hauv paus yog kev txhawj xeeb nrog rau tsom xam nyob rau hauv uas cov peev txheej xws li av, kev ua haujlwm, thiab peev tau ua haujlwm rau tsim tawm ib lub tuam txhab zaum kawg khoom . Rau tsim tawm Cov khoom no cov khoom siv yooj yim tau muab faib ua ob pawg -
Ib sab saum toj, koj txhais li cas los ntawm tus nqi tsim khoom? Txhais: Tus nqi tsim khoom yog tag nrho cov nqi them rau cov peev txheej siv los tsim cov khoom lossis tsim cov kev pabcuam muag rau cov neeg siv khoom suav nrog cov khoom siv raw, kev ua haujlwm, thiab nyiaj siv ua haujlwm.
Kev sib raug zoo, kev txheeb xyuas tus nqi yog dab tsi?
Kev txhais ntawm kev txheeb xyuas tus nqi . 1: kev ua txhaum a tus nqi cov ntsiab lus rau hauv nws cov ntsiab lus thiab kawm thiab qhia txog txhua yam. 2: kev sib piv tus nqi (raws li tus qauv nrog qhov tseeb lossis rau ib lub sijhawm nrog lwm tus) rau lub hom phiaj ntawm kev nthuav tawm thiab tshaj tawm txog cov xwm txheej uas yuav tsum tau txhim kho.
Cov hom nqi ntawm kev tsim khoom yog dab tsi?
Muaj ib tug xov tooj ntawm ntau hom nqi ntawm kev tsim khoom uas koj yuav tsum paub txog: tsau tus nqi , sib txawv tus nqi , tag nrho tus nqi , nruab nrab tus nqi , thiab marginal tus nqi.
Pom zoo:
Dab tsi yog qhov kev sib raug zoo ntawm tag nrho cov khoom tsim tau thiab cov khoom tsim tawm thawj zaug sau qhov sib npaug?
Koj tuaj yeem pom tias koj tus lej nyiaj hauv tuam txhab nyiaj tau txiav txim siab raws li hauv qab no: Koj qhov Net ntau lawm yog sib npaug rau koj qhov Kev Tsim Nyog Tag Nrho Tshem Tawm Tawm, uas yog tib yam li qhov sib npaug saum toj no uas hais txog Net Primary Production (NPP) = Gross Primary Production (GPP) Kev ua pa tawm (R)
Dab tsi yog kev kho mob ntawm tus neeg muag khoom thiab tus neeg yuav khoom rau kev ua txhaum ntawm daim ntawv cog lus?
Hmoov zoo, tus neeg yuav khoom hauv tsev muaj qee yam kev kho mob yog tias tus muag khoom ua tsis raug lossis tsis kam ua cov luag num raws li daim ntawv cog lus muag khoom, suav nrog: nyiaj puas tsuaj rau kev ua txhaum cai ntawm daim ntawv cog lus. Kev txiav tawm ntawm daim ntawv cog lus thiab xa rov qab ntawm qhov tso nyiaj, ntxiv rau kev them nqi tsim nyog, thiab
Tus nqi ruaj khov thiab tus nqi sib txawv hauv kev lag luam yog dab tsi?
Hauv kev lag luam, cov nqi sib txawv thiab cov nqi tas li yog ob tus nqi tseem ceeb uas lub tuam txhab muaj thaum tsim khoom thiab kev pabcuam. Tus nqi sib txawv sib txawv nrog tus nqi tsim, thaum tus nqi ruaj khov tseem zoo ib yam txawm tias ntau npaum li cas lub tuam txhab tsim tawm
Lub luag haujlwm thiab txoj cai ntawm tus neeg yuav khoom thiab tus muag khoom yog dab tsi?
TXOJ CAI 1. Kom muaj kev xa khoom raws li daim ntawv cog lus. (secs. 31 & 32) 1 6 Yuav foob tus muag khoom kom rov qab tau tus nqi, yog tias tau them lawm, thaum tus muag khoom xa tsis tau cov khoom. 6 7 Yuav foob tus neeg muag khoom rau kev puas tsuaj yog tias tus muag khoom tsis quav ntsej lossis tsis kam xa cov vajtswv rau tus neeg yuav khoom (sec 57) 7
Dab tsi yog cov khoom siv ncaj qha kev ua haujlwm thiab kev tsim khoom siv nyiaj siv ua haujlwm?
Hauv cov tuam txhab tsim khoom, cov khoom siv nyiaj siv ua haujlwm suav nrog tag nrho cov nqi tsim khoom tshwj tsis yog cov suav nrog cov khoom siv ncaj qha thiab kev ua haujlwm ncaj qha. Cov nqi tsim khoom siv nyiaj siv ua haujlwm yog cov nqi tsim khoom uas yuav tsum tau tshwm sim tab sis tsis tuaj yeem lossis tsis tuaj yeem taug qab ncaj qha rau cov khoom tshwj xeeb tsim