Fens tseem ceeb rau tib neeg thiab. Lawv yog cov tseem ceeb xws li qhov chaw ntawm cov dej hauv avthiab yog qhov qhia tau zoo ntawm cov dej ntiav ntiav. Cov nroj tsuag hauv txhua qhov chaw ntub dej ua lub luag haujlwm tseem ceeb hauv kev rov ua cov khoom noj khoom haus, ntxiab cov av eroding, thiab lim tawm cov tshuaj phem xws li nitrates.
Vim li cas thiaj tseem ceeb tiv thaiv kab mob?
Fens, zoo li bogs, muab cov txiaj ntsig tseem ceeb hauv cov dej ntws, suav nrog tiv thaiv lossis txo qis kev pheej hmoo ntawm dej nyab, txhim kho dej zoo, thiab muab chaw nyob rau cov nroj tsuag thiab tsiaj txhu.
Vim li cas bogs thiab fens tseem ceeb?
Feem ntau hu ua muskeg nyob rau sab qaum teb boreal thiab arctic cheeb tsam, bogs thiab fens muab kev pabcuam ecosystem tseem ceeb. Lawv muab chaw nyob rau cov tsiaj xws li hav zoov hav zoov caribou. Bogs thiab fens tseem khaws cov pa roj carbon monoxide thiab pab txo qis kev hloov pauv huab cua.
Puas yog ib lub cev dej?
A fen is a hom peat-accumulating wetland pub los ntawm cov ntxhia hauv av lossis dej ntog. Nws yog ib qho tseem ceeb ntawm cov av ntub dej nrog cov marshes, swamps, thiab bogs.
YPuas yog fen dej tshiab lossis dej ntsev?
A fen is a freshwater, peat-forming wetland noj feem ntau yog los ntawm qhov chaw thiab/los yog dej hauv av, muaj cov dej chemistry uas feem ntau yog alkaline, thiab yog cov reed, nyom., sedges, and wildflowers.
