Yuav ua li cas yog lub "profession" ntawm cereals nyob rau hauv lub ecosystem: ntxwv nta ntawm cov mej zeej ntawm lub chav kawm ntawv

Yuav ua li cas yog lub "profession" ntawm cereals nyob rau hauv lub ecosystem? Nyob rau hauv peb tsab xov xwm peb yuav sim xav txog qhov no qhov teeb meem los ntawm tus taw tes ntawm view ntawm cov yam ntxwv nta thiab physiology ntawm Cov Neeg Sawv Cev Monocotyledones chav kawm ntawv.

Cereals: nroj tsuag ntawm herbaceous cover ntawm cov ntiaj chaw

Rye, barley, hom qoob mog, maize ... Tej zaum, qhov no daim ntawv teev yuav mus nyob rau indefinitely. Tom qab tag nrho cov uas muaj txog 10 txhiab hom. Lawv yog cov cog raws li ecosystems, steppes thiab meadows, thiab kuj pom nyob rau hauv lub savannas thiab pampas. Ntawm tag nrho cov lwm cov neeg ntawm cov chav kawm ntawv Monocotyledons lawv txawv los ntawm kev nyiaj txiag tseem ceeb thiab dav faib cheeb tsam. Yuav ua li cas yog cov yam ntxwv ntawm cov qauv yuav cia lawv mus cuag tej tseem ceeb?

Nta ntawm cov qauv ntawm cov cereals

Cov tsev neeg ntawm cereals, los yog Bluegrass, raws li zoo raws li tag nrho cov monocots muaj ib tug cotyledon nyob rau hauv lub embryo, fibrous paus system, yooj yim linear nplooj tsis petiole. Lawv stems tsis muaj sab kev kawm ntaub - cambium. Yog li ntawd, feem ntau ntawm cov cereal uas muaj tuaj los ntawm herbaceous cov ntaub ntawv. Lub yus feature ntawm cov nroj tsuag yog hollow kav cylindrical zoo, hu ua ib tug straw. Cereals nyob rau hauv lub ecosystem tropics tej zaum mus txog li 50 cm nyob rau hauv qhov siab. Ib tug kab tsib feem ntau yog ib tug loj heev, loj hlob mus txog 4-5 m. Lub paj ntawm tag nrho cov nplej me me thiab inconspicuous. Lawv perianth txo kom tsawg thiab hais translucent films. Cereals yog pollinated los ntawm cua. Me paj yeej ib txwm sau nyob rau hauv inflorescence, xws li nyuab pob ntseg, cob, Sultan, khaub rhuab, txhuam. Raws li ib tug tshwm sim ntawm lawv flowering tsim qhuav indehiscent txiv hmab txiv ntoo caryopsis.

Yuav ua li cas yog lub "profession" ntawm cereals nyob rau hauv lub ecosystem?

Nws yog ib qho nyuaj rau xav txog tej yam lub tiaj nyom tiaj nyom steppes los yog riparian tsam tsis muaj cereals. Thiab feem ntau pheej nroj yog tseem neeg sawv cev ntawm cov tsev neeg no. Yuav ua li cas yog lub "profession" ntawm cereals nyob rau hauv lub ecosystem biogeocenosis cov ntaub ntawv? Ua ntej ntawm tag nrho cov, lawv yog cov neeg muag khoom ntawm ntxiv dej rau tag nrho cov nroj tsuag. Qhov no yog tau vim lub peculiarities ntawm cov qauv ntawm cov hauv paus system. Cereals yeej ib txwm loj hlob nyob rau hauv loj pawg. Lawv heev heev nyias keeb kwm yog nruj nreem interwoven, yuav tsum vov lub hauv pem teb thiab yog li displacing lwm yam nroj tsuag. Nyob rau hauv cov ntaub ntawv no, tus nto txheej yog tsim ib tug tshwj xeeb txheej - turf. Nws yuav pab kom ntxiv dej nrog cov as-ham, uas muab rau tag nrho cov nroj tsuag.

Thaum lub nyom keeb kwm tuag, lawv ua lub hauv paus ntawm xau, yus muaj los ntawm siab fertility, raws li cov nplua nuj nyob rau hauv ib tug loj tus naj npawb ntawm cov organic seem. Txiv hmab txiv ntoo thiab tua ntawm cov nroj tsuag siv nyob rau hauv khoom noj khoom haus cov tsiaj ntau yam ntawm tej yam ntuj tso thiab dag ecosystems. Tag nrho cov cereals yog producers. Qhov no txhais tau tias nyob rau hauv cov zaub mov saw, lawv yog cov producers ntawm cov organic teeb meem thiab cov pa uas ua thaum lub sij hawm photosynthesis.

Qhov tseem ceeb tshaj cereal nroj tsuag

Yuav ua li cas yog lub "profession" ntawm cereals nyob rau hauv lub ecosystem, uas yog tej yam ntuj tso, peb twb dealt nrog. Tab sis ib tug tsis tau hais tias tus txiv neej tau ntev tau siv cov nroj tsuag rau lawv tus kheej lub hom phiaj. Ntawm kev tseem ceeb ntawm lawv yog cereals. Cov no muaj xws nplej, rye, barley, oats. Tseem ceeb khoom noj khoom haus cov qoob loo yog mov, maize, sorghum. Muaj ntau cov nyom thiab weeds. Qhov no couch, Ostrets, hluav taws kub, barnyard nyom, cov tsiaj qus oats. Foxtail thiab Timautes zus raws li ib tug zaub noj nyom. Ib qho ntawm feem amazing nyom yog xyoob culms uas loj hlob mus rau ib qhov siab ntawm ntau tshaj ib tug Meter ib hnub twg. Ib tug pas nrig yog lub hauv paus ntawm ntau tshaj 50% ntawm qab zib nyob rau hauv lub ntiaj teb no.

Raws li koj tau pom, cereals ua si ib qho tseem ceeb luag hauj lwm nyob rau hauv tej yam ntuj tso thiab dag ecosystems, raws li ib lub hauv paus rau cov av, dej thiab fais fab mov, raws li tau zoo raws li nqi khoom noj khoom haus cov qoob loo.