UkubunjwaIsayensi

Inqanaba Trophic - i-elementi kwitsheyini lokutya

Ukufunda Isakhiwo zasemanzini ezinto eziphilayo ezahlukeneyo, izazinzulu ziye waphawula ukuba zonke eziphilayo kuzo ilandelelanisiwe kwi kwikhonkco lokutya. Kwaye ezi izidanga nganye kwezi eziphila ingalandwa umva kakhulu. Ngokutsho kwakhe into leyo umthombo wamandla, kwakunye nokwakhiwa izinto lihamba ukusuka ephilayo omnye komnye. Leyo yenye ephilayo utya esinye, kwaye nayo liyadla a wesithathu. Nanku umzekelo olula kwekhonkco onjalo: ingca - cow - kwabantu.

Kwaye zonke ezi eentsontelo akuvamanga ingadibani omnye komnye - bonke bephela emanyeneyo web enye ukutya. Ubudlelwane kule womnatha inzima kakhulu. Umzekelo, izilwanyana ezitya ukutya izityalo iintlobo ezininzi. Kwaye ezidla na ukhetho kakhulu ekukhetheni inyama ukutya kwabo. Kodwa ke, nangona ezi webs ukutya zininzi yaye onke kakhulu ezahlukeneyo - zinokuba ezilungisele ibe scheme enye. Kwaye eli cebo sijongeka njengoku: izityalo eluhlaza - kubathengi eziziiprayimari - abathengi zamabanga - consuments emfundo ephakamileyo - propagator. Kwaye propagator zisoloko ekupheleni chain lokutya kunye nabathengi kusenokubakho ezininzi. Zonke ezi Zibizwa kumanqanaba trophic.

Oko kukuthi, esuka kwindawo imbono yenzululwazi, inqanaba trophic - ke lonke isethi eziphilayo esiyiphumezayo web ukutya kwindawo ethile. Kwaye ecosystem eqhelekileyo Ndinokuwabala akukho ngaphezulu kwe 3-4 kula manqanaba. Inqanaba lokuqala trophic - oku ngokuqinisekileyo isityalo. Ekubeni bonke baqala kwikhonkco lokutya. Inqanaba lesibini trophic kuhlala phytophagous, oko kukuthi herbivorous. It consuments ukuze yokuqala uze utye flora kuphela.

Inqanaba lesithathu trophic kuhlala nakubasebenzisi ukuze 2. Bathi ke amarhamncwa ezitya uhlaza kuphela. Ukongezelela, kusenokubakho euryphages, oko kukuthi zezitya konke. Bangakwazi ngokufanayo sinokubanamandla yezityalo, kunye nokutya kwezilwanyana. Ezi ziquka iihagu, iimpungutye, iimpuku, amaphela kunye like. Man inikeze nako euryphages. kweli nqanaba unokuba consuments kunye kwelesithathu - ke amarhamncwa ukuba ondle ezitya inyama kuphela.

Kwaye ke kwinqanaba lokugqibela trophic ngokuqhelekileyo abemi zizibolisi, okt eziphilayo heterotrophic. Konakalisa, mineralizing kwaye destructuring eziphila inkunkuma. Emva "umsebenzi" wabo ukufumana iikhompawundi kwezimbiwa elula. A zizibolisi ke zahlulwe kwiiklasi ezimbini. Le detritus - izilwanyana ezidla ngqo iintsalela eziphilayo kunye eziphilayo ufile. Ezi ziquka oontloyiya, oontloyiya, sisikhundla seempungutye, leengcuka, yimisundululu kunye nezinye "scavengers".

Kwakhona jonga zizibolisi kunye destructors. Bona abasebefe ibolile "organic" kwi iikhompawundi ezingaphiliyo. Ngamafutshane, baxhasa iinkqubo yokubola kunye ukubola. Ezi ziquka iintsholongwane kunye nomngundo. Kwaye zonke ezi imixokelelwane trophic zicwangciswe ukuze abavelisi, abathengi kunye zizibolisi kubo usebenzisana ngokusondeleyo. Bona ukugcina ingqibelelo kunye nolwakhiwo biocenosis, ukuququzelela kunye eziphathekayo kunye namandla nokuphuma kwemali. Oku kunegalelo zokulawula okusingqongileyo.

Ngokwegrafu isakhiwo trophic inkqubo eziphilayo angamelwa njenge amandla yephiramidi yhuu. namadlelo ayo abalimi okanye inqanaba 1 trophic. Kodwa onke amanqanaba ezilandelayo le imigangatho kunye phezulu iphiramidi. Ke ngalinye kula manqanaba na ukuhamba amandla. Namandla ukuthi isuka komnye umgangatho, amandla na igalelo ngenxa elandelayo. Kwaye ke sizathu siphambili sokuba imali encinci ngolo amanqanaba trophic kwi ecosystem nganye ukuba inxalenye enkulu amandla ngexesha shintsha ezinjalo ilahlekile. Kukho umgaqo-10%, kwaye ngokutsho oko kuphela umlinganiselo wamandla luncedo ikhutshelwa ukuya kwinqanaba elilandelayo. Ne-10% - unendima ubuninzi. Kwezinye zendalo, ezifana ukusebenza ilingana ekhulwini nje omnye.

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