Cov txheej txheem:
Video: Thawj kauj ruam ntawm kev vam meej yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Thawj qhov kev vam meej pib nrog av tsim. Cov thawj theem ntawm kev vam meej koom nrog pioneer hom. Hauv thawj txoj kev vam meej , pioneer nroj tsuag yog cov uas tuaj yeem loj hlob yam tsis muaj av, xws li lichens. Lichens pib tawg ib pob zeb.
Tsuas yog li ntawd, dab tsi yog cov kauj ruam hauv kev txiav txim thawj zaug?
Cov ntawv I-VII sawv cev rau qhov sib txawv theem ntawm thawj txoj kev vam meej . I-pob zeb liab, II-pioneers (mosses, lichen, algae, fungi), III-ib xyoos ib zaug herbaceous nroj tsuag, IV-perennial herbaceous nroj tsuag thiab nyom, V-shrubs, VI-shade intolerant ntoo, VII-shade tolerant ntoo.
Tsis tas li ntawd, cov kauj ruam ntawm kev vam meej yog dab tsi? Muaj tsib lub ntsiab tseem ceeb rau ecological kev vam meej : thawj kev vam meej , theem nrab kev vam meej , pioneer thiab niche hom, climax zej zog thiab sub-climax zej zog.
Hauv qhov no, 5 kauj ruam ntawm kev ua tiav yog dab tsi?
5 Cov kauj ruam los tsim Txoj Kev Npaj Ua tiav
- 1 - Txheeb xyuas cov haujlwm tseem ceeb. Tshawb xyuas cov phiaj xwm kev lag luam txhawm rau txheeb xyuas cov haujlwm tseem ceeb tshaj plaws rau kev loj hlob ntawm kev lag luam.
- 2 - Txheeb xyuas cov muaj peev xwm ua tau zoo.
- 3 - Txiav txim siab thaum twg Cov Neeg Muaj Peev Xwm Ua tiav yuav npaj txhij.
- 4 - Txiav txim siab seb lawv xav tau kev txhim kho li cas.
- 5 - Ua kom muaj kev cog lus tsis tu ncua.
Yuav ua li cas tshwm sim nyob rau hauv thawj succession?
Ob hom sib txawv ntawm kev vam meej - thawj thiab theem nrab-tau sib txawv. Thawj qhov kev vam meej tshwm sim nyob rau thaj tsam uas tsis muaj sia nyob-cov cheeb tsam uas cov av tsis muaj peev xwm txhawb nqa lub neej tau los ntawm cov xwm txheej xws li lava ntws, tsim cov xuab zeb tshiab, lossis pob zeb tawm ntawm cov dej khov rov los.
Pom zoo:
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