Keystone hom hauv zej zog muaj kev cuam tshuam loj heev rau cov qauv ntawm lub vev xaib khoom noj. … Yog li, tsis muaj keystone hom, ecosystem yuav txawv heev. Txhua yam kab mob hauv ib qho ecosystem txuas nrog thiab nyob ntawm ib leeg.
Lub luag haujlwm ntawm hom pob zeb tseem ceeb hauv qhov ecosystem yog dab tsi?
Ib hom pob zeb yog ib yam kab mob uas pab txhais tag nrho cov ecosystem. Yog tsis muaj nws hom keystone, lub ecosystem yuav txawv heev los yog tsis muaj nyob rau hauv tag nrho. … Txhua yam kab mob, los ntawm cov nroj tsuag mus rau fungi, tej zaum yuav yog ib hom pob zeb tseem ceeb; lawv yeej tsis yog hom loj tshaj plaws lossis ntau tshaj plaws nyob rau hauv ecosystem.
Ib qho piv txwv ntawm kev vam khom ntawm cov kab mob yog dab tsi?
Txhua yam muaj sia nyob ntawm lawv ib puag ncig los muab lawv qhov lawv xav tau, suav nrog zaub mov, dej, thiab chaw nyob. Piv txwv li, cov khoom muaj sia uas ua tsis tau lawv cov zaub mov yuav tsum noj lwm yam kab mob rau zaub mov. …
piv txwv ntawm hom pob zeb tseem ceeb yog dab tsi?
Beaver . American Beaver (Castor canadensis) yog ib qho piv txwv ntawm hom pob zeb tseem ceeb hauv North America. Hauv txhua qhov kev npaj lossis hauv zej zog, "keystone" yog suav tias yog ib qho tseem ceeb tshaj plaws. Nyob rau hauv ib tug marine ecosystem, los yog ib yam ntawm cov ecosystem, ib tug keystone hom yog ib tug kab mob uas pab tuav lub system ua ke.
piv txwv zoo tshaj ntawm hom pob zeb yog dab tsi?
Piv txwv ntawm Keystone Hom
- Sharks. Cov ntses no yog ib qho loj tshaj plaws nyob rau hauv cov dej tob. …
- Sea Otter. Qhov no yog ib tug tsiaj nyob rau hauv North Pacific Dej hiav txwv, uas pub rau hiav txwv urchins yog li tswj lub ntug dej hiav txwv ecosystem. …
- Snowshoe hare. …
- Ntsuab African. …
- Prairie dev. …
- Starfish. …
- Hmoob Grey. …
- Grizzly bears.
