Video: Yuav ua li cas yog ib tug piv txwv ntawm ib tug thawj succession?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thawj qhov kev vam meej yog ib qho kev hloov ntawm cov nroj tsuag uas tshwm sim nyob rau yav tas los unvegetated struts (Barnes li al. 1998). Piv txwv ntawm qhov twg thawj txoj kev vam meej tej zaum yuav muaj xws li tsim cov Islands tuaj tshiab, ntawm cov pob zeb volcanic tshiab, thiab hauv av tsim los ntawm glacial retreats.
Tsis tas li ntawd, qhov piv txwv ntawm kev ua tiav theem nrab yog dab tsi?
Secondary succession yog cov kev hloov hauv zej zog uas tshwm sim nyob rau yav dhau los colonized, tab sis cuam tshuam los yog kev puas tsuaj thaj chaw. Piv txwv suav nrog thaj chaw uas tau raug tshem tawm ntawm cov nroj tsuag uas twb muaj lawm (xws li tom qab tsob ntoo poob hauv hav zoov) thiab cov xwm txheej puas tsuaj xws li hluav taws.
Kuj Paub, yog lub glacier piv txwv ntawm thawj succession? Ib qho zoo piv txwv ntawm a thawj txoj kev vam meej yog qhov kev hloov ntawm cov nroj tsuag hauv zej zog uas ua raws li kev thim rov qab ntawm a dej khov hauv Dej khov Bay, Alaska, dhau 200 xyoo dhau los. Raws li ib tug dej khov retreats nws tawm tom qab gravel deposits hu ua moraine.
Dhau li ntawm no, cov piv txwv ntawm thawj thiab theem nrab succession yog dab tsi?
Cov piv txwv ntawm Thawj Kev Kawm Qib Siab yog cov pob zeb uas nyuam qhuav tsim tshiab liab qab, suab puam, pas dej, thiab lwm yam, thaum lub cheeb tsam npog nyob rau hauv deforestation, los yog cuam tshuam los ntawm ntuj calamities xws li dej nyab, av qeeg, thiab lwm yam. piv txwv ntawm Secondary Succession.
Txoj kev ua thawj thiab theem nrab zoo ib yam li cas?
Thawj qhov kev vam meej tshwm sim tom qab qhib qhov chaw nyob pristine, piv txwv li, lava ntws, thaj chaw sab laug los ntawm cov dej khov kho rov qab, los yog cov sawb uas kuv tau tso tseg. Piv txwv li, theem nrab succession yog ib qho lus teb rau kev cuam tshuam, piv txwv li, hluav taws kub hav zoov, tsunami, dej nyab, lossis thaj chaw uas raug tso tseg.
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