Definition. Ib lo lus feem ntau siv los piav txog ib qho khoom siv ntawm thaj chaw tshawb fawb xaiv rau kev taug kev hauv thaj teb, txhua tus suav nrog cov chav sau me me. Transects feem ntau yog npaj rau hauv daim ntawv qhia raws li hlais los ntawm qhov chaw soj ntsuam.
piv txwv ntawm kev hloov pauv yog dab tsi?
Ib kis yog kab hla ib thaj chaw lossis ib feem ntawm qhov chaw nyob. … Hauv qhov piv txwv saum toj no, kev faib tawm ntawm cov nroj tsuag dandelion maj mam hloov ntawm tsib meters mus rau 20 meters raws qhov transect. Ib lub quadrat tau muab tso rau ntawm ib ntus ntawm ib lub 'meter' (lossis ob peb metres) raws qhov kev hloov pauv.
txoj kev hloov pauv txhais li cas?
A transect yog ib txoj hauv kev uas ib tus suav thiab cov ntaub ntawv tshwm sim ntawm cov khoom ntawm kev kawm (xws li cov nroj tsuag). Muaj ntau hom kev hloov pauv. Qee qhov ua tau zoo dua lwm tus.
Dab tsi yog daim duab kos?
Ib qho kev hloov pauv yog ib txoj kab raws li txoj hauv kev uas tau tshawb fawb lossis kev soj ntsuam. Kev hloov pauv yog ib qho tseem ceeb ntawm thaj chaw rau kev kawm txog kev hloov pauv ntawm tib neeg thiab / lossis lub cev yam ntxwv ntawm ib qho chaw mus rau lwm qhov.
Txoj kev hloov pauv siv li cas?
Txoj kab kev piv txwv muab txoj kev yooj yim ntawm kev kwv yees tus naj npawb ntawm cov khoom hauv kev kawm. Cov khoom yuav yog txhua hom tsiaj lossis cov nroj tsuag uas pom tau yooj yim, tsawg kawg nyob ze.
