Lichens: Tsis zoo li lwm cov nroj tsuag, lichens tuaj yeem loj hlob ntawm pob zeb yooj yim thiab yog li lawv raug hu ua hom pioneer hauv thawj qhov kev vam meej. > Bryophytes: Lawv yog cov nroj tsuag me uas tsis muaj vascular uas tsim cov spores. Lawv feem ntau pom nyob rau hauv av los yog ntawm cov nroj tsuag tuag thiab decomposed, ib co ntawm cov pob zeb thiab ob peb nyob rau hauv dej.
Dab tsi yog hom pioneer hauv thawj qhov kev sib txuas ntawm pob zeb?
Lichens yog hom pioneer. Lawv secrete acids kom yaj pob zeb, pab nyob rau hauv huab cua thiab av tsim. Qhov no tom qab ntawd pab cov nroj tsuag zoo li bryophytes loj hlob nyob ntawd. Cov bryophytes nrog lub sijhawm tau txais kev vam meej los ntawm cov nroj tsuag loj.
Yuav ua li cas pioneer theem ntawm succession?
Pioneer – hom pioneer yog cov qauv tshiab uas nkag mus rau hauv thawj qhov kev vam meej thiab pib tuav. Qhov no tuaj yeem yog txhua yam ntawm cov noob rau cov kab mob mus rau kab lossis tsiaj mus rau thaj chaw tshiab thiab txaj pw kom ua rau lawv lub tsev.
Puas yog cov pioneer uas loj hlob ntawm pob zeb?
hom pioneer yog dab tsi? Moss, ib hom pioneer ntawm pob zeb liab qab. Cov kab mob tshwj xeeb tau hloov mus rau thaj chaw liab qab, thaj chaw tsis muaj sia thiab pib lub zej zog ecological tau txhais tias yog hom pioneer.
Yuav ua li cas yog theem ntawm kev vam meej uas tshwm sim ntawm pob zeb?
Cov ntawv sau I-VII sawv cev rau theem sib txawv ntawm kev ua tiav thawj zaug. I-pob zeb pob zeb, 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.
