Video: Dab tsi yog tua phytoplankton?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cua daj cua dub churn dej hiav txwv, nqa cov as-ham xws li nitrogen, phosphate, thiab hlau los ntawm qhov tob ntawm dej hiav txwv thiab qhia lawv mus rau qhov chaw nyob qhov twg. plankton nyob. Twb tau, maj mam sov dej hiav txwv dej muaj tua tawm phytoplankton thoob ntiaj teb los ntawm staggering 40 feem pua los ntawm 1950.
Thiab cov lus nug yog, yuav ua li cas thaum phytoplankton tuag?
Thaum blooms nws thiaj li tso lawv cov as-ham, lub phytoplankton tuag , dab dej thiab decompose. Cov txheej txheem decomposition depletes ib puag ncig cov dej ntawm cov pa oxygen, uas cov tsiaj hiav txwv xav tau kom muaj sia nyob. Qee cov algae tsim lawv tus kheej cov co toxins thiab paj ntawm cov tsiaj no muaj kev phom sij rau tib neeg.
Kuj Paub, dab tsi noj phytoplankton? Phytoplankton yog noj los ntawm me me zooplankton, uas yog nyob rau hauv lem noj los ntawm lwm yam zooplankton. Cov plankton tau noj los ntawm cov ntses me thiab crustaceans, uas nyob rau hauv lem yog noj los ntawm cov tsiaj loj dua, thiab lwm yam.
Kuj tseem paub yog, phytoplankton puas txaus ntshai?
Thaum muaj cov as-ham ntau dhau lawm, phytoplankton Tej zaum yuav loj hlob tawm ntawm kev tswj thiab tsim teeb meem algal blooms (HABs). Cov paj no tuaj yeem tsim cov tshuaj lom neeg tsis zoo uas muaj kev phom sij rau cov ntses, plhaub ntses, tsiaj txhu, noog, thiab txawm tias tib neeg.
phytoplankton yog dab tsi thiab vim li cas nws tseem ceeb?
Phytoplankton yog qhov tseem ceeb rau marine ecosystems. Lawv yog cov tsim khoom, lossis autotrophs, uas tsim lub hauv paus ntawm feem ntau cov khoom noj hauv hiav txwv. Raws li cov kab mob photosynthetic, lawv muaj peev xwm hloov lub hnub ci zog rau hauv tshuaj lom neeg lub zog thiab khaws cia ua suab thaj. Phytoplankton noj los ntawm lwm yam kab mob me, xws li zooplankton.
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