Ek Talab Se Shuruaat ð§
Apne gaon ya shehar ke kisi talab ke paas khade ho jao aur dhyaan se dekho.
Paani hai, mitti hai, dhoop pad rahi hai. Paani mein kaai (algae) hai, kuch machhliyan hain, kinare par mendhak baitha hai, upar bagula udd raha hai. Aur jo aapko dikh nahi raha â paani aur mitti mein karodon bacteria aur fungi hain.
Ye sab alag-alag cheezein nahi hain. Ye sab ek doosre par nirbhar hain. Isi poore jode ko ecosystem kehte hain.
ð Ecosystem = kisi jagah ke saare jeev + wahan ka poora
bejaan maahol + un dono ka aapsi rishta.
Do hisse hote hain:
ðą Biotic (sajeev) â paudhe, jaanwar, bacteria, fungi
ðŠĻ Abiotic (nirjeev) â dhoop, hawa, paani, mitti, taapmaan
Ecosystem bahut bada bhi ho sakta hai aur bahut chhota bhi:
ð Bahut bade: samundar, jungle, registan
ðïļ Madhyam: ek talab, ek khet, ek nadi
ðŠī Chhote: ek gamla, ek aquarium, ek pedh
ðŽ Bahut chhote: ek sadi hui lakdi ka tukda!
School ke bageeche mein bhi ghaas, keede, chidiya, mitti aur dhoop â sab
ek doosre par nirbhar hain. Wo bhi ek poora ecosystem hai.
ð Do prakaar ke ecosystem:
ðŋ Prakritik (natural) â jo apne aap bane: jungle, samundar, nadi, talab,
registan
ðĄ Manav-nirmit (artificial) â jo insaan ne banaye: khet, bageecha, aquarium,
park
â ïļ Farak samjho: prakritik ecosystem
khud sambhal lete hain. Manav-nirmit ecosystem ko
lagataar dekhbhaal chahiye â paani dena, khaad daalna, keede hataana. Chhod do
toh wo bikhar jaate hain.
ð Teen Kirdaar â Har Ecosystem Mein
Har ecosystem mein jeevon ke teen kaam hote hain. Teeno mein se koi ek bhi hat jaaye toh poora system ruk jaata hai.
| Kirdaar | Kaun | Kya karta hai |
|---|---|---|
| Producer (utpaadak) | Hare paudhe, kaai (algae), kuch bacteria | Photosynthesis se khud apna khaana banate hain. Poore ecosystem ki energy inhi se aati hai. |
| Consumer (upbhokta) | Saare jaanwar aur insaan | Khud khaana nahi bana sakte â doosron ko khaate hain. |
| Decomposer (apghatak) | Bacteria aur fungi | Mare hue jeev aur kachre ko todkar poshak element mitti mein wapas bhejte hain. |
ð Consumers ke chaar prakaar:
ð Herbivores (shaakahari) â sirf paudhe khaate hain: gaay, hiran, khargosh,
tiddi
ð
Carnivores (maansahari) â sirf maans khaate hain: sher, saanp, bagula
ðŧ Omnivores (sarvahari) â dono khaate hain: insaan, kauwa, bhaalu, kutta
ðĶ
Scavengers / Parasites â mara hua maans khaane wale (giddh, kauwa), ya doosron
par jeene wale (joon, kirmi)
ð Decomposers â Sabse Zaroori Aur Sabse Nazarandaz
Decomposers ko koi pasand nahi karta. Fungi, bacteria, sadan â sab gandagi lagti hai. Par ek soch kar dekho:
Socho ki kal se duniya ke saare bacteria aur fungi gaayab ho jaayein.
ð Pedh se gire hue patte kabhi nahi galenge. Saal-dar-saal wo jamte
jaayenge.
ð Mare hue jaanwar waise ke waise pade rahenge.
ðĐ Gobar aur kachra kabhi khatam nahi hoga.
Aur sabse buri baat: har mare hue jeev ke andar jo nitrogen, phosphorus aur
carbon band hai, wo hamesha ke liye band reh jaayega. Mitti mein wapas
nahi aayega.
Nateeja? Kuch hi saalon mein mitti bilkul bekaar ho jaayegi, paudhe
ugna band kar denge â aur unke bina saare jaanwar bhookhe mar jaayenge.
Yani decomposers na hote toh prithvi par jeevan hi ruk jaata. Aur wo har roz, bina
kisi ko dikhe, ye kaam kar rahe hain.
âŧïļ Poshak element GHOOMTE hain, energy NAHI.
Ye is chapter ka sabse zaroori vichaar hai:
ð Nitrogen, carbon, paani â ye ghoomte rehte hain. Mitti se
paudhe mein, paudhe se jaanwar mein, jaanwar se decomposers dwara wapas mitti mein. Ek
chakra (cycle).
âĄïļ Energy â ye ghoomti nahi. Sooraj se aati hai, ek taraf bahti
hai, aur har step par garmi bankar hamesha ke liye chali jaati hai.
Isiliye ecosystem ko har roz nayi dhoop chahiye â par nayi mitti nahi chahiye.
Bharat ke gaon mein sadiyon se gobar ka istemaal hota aaya hai â aur wo isi
decomposer wale vigyan par chalta hai. Gobar ko gaddhe mein daal do, bacteria use
tod dete hain, aur kuch mahine mein wo
khaad (compost) ban jaata hai jo khet ko poshak element wapas de deti hai.
Aaj isi ko vermicompost (kenchue se banne wali khaad) aur
gobar gas plant ke roop mein aage badhaya gaya hai â jisse gaon mein
khaana pakane ki gas bhi milti hai aur bachi hui slurry se
khaad bhi.
Bharat sarkaar ka "GOBARdhan" yojana isi par hai. Yani jise hum "gandagi" kehte
hain, wo asal mein ek poora chakra hai jo hazaron saal se chal raha hai.
ð§ Apne Aap Ko Test Karo
ð§ 3D Ecosystem lab mein energy ko sooraj se upar chadhte dekho!
Open 3D Ecosystem Lab â