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Solusi Alam Dhewe: 215 Yuta Hektar Lahan Tropis Bisa Nggawe Hutan Secara Alami

Dr. Gymbro · · 2 min read

Solusi Alam Dhewe: 215 Yuta Hektar Lahan Tropis Bisa Nggawe Hutan Secara Alami

Studi anyaran sing diterbitake ing Nature ngandharaké yèn wilayah sing luwih amba tinimbang Meksiko—215 yuta hektar—duwé potensi supaya pulih dadi hutan kanthi alami ing kawasan tropis sak donya. Panemuan iki nawakaké alternatif sing biaya‑efektif tinimbang program nandur wit sing larang lan bisa nyerap karbon kanthi gedhé sekaligus mulihake keanekaragaman hayati.

Kekuatan Pemulihan Alami

Riset iki dipimpin déning Renato Crouzeilles lan tim ilmuwan internasional sing nganalisa pola tutupan alas saka taun 2000 nganti 2016 kanggo nggawe model resolusi dhuwur sing prédhiksi ngendi alas tropis bisa pulih kanthi alami. Kanthi citra satelit resolusi 30 meter, tim mau nyawijikaké wilayah‑wilayah sing wis ditebang nanging isih nduwèni syarat lingkungan kang cocok supaya alas bisa mbalèkaké awaké dhéwé.

"Pemulihan alami ora mung luwih murah tinimbang nandur wit, nanging asring ngasilaké alas sing luwih béda-béda," tulis para peneliti. Panemuan iki nantang pamanggih umum sing ngira yèn restorasi aktif kanthi nandur wit mesthi dadi cara paling apik kanggo mulihake alas.

Potensi Nyerap Karbon sing Gedhé

Studi iki prédhiksi yèn alas sing pulih kanthi alami iki bisa nyerap 23,4 gigaton karbon sajrone 30 taun, kanthi kisaran antarané 21,1 nganti 25,7 gigaton. Kanggo mènèhi ukuran, angka iki nyumbang sawijining bagian gedhé saka reduksi karbon sing dibutuhaké kanggo nggayuh target iklim global. Simpenan karbon iki bakal kebak ing biomassa dhuwur, nalika wit‑witèné mundhak lan mateng.

Lima Negara Sing Nggawa Kunci

Lima negara nyumbang luwih saka setengah potensi pemulihan iki: Brasil, Indonesia, China, Meksiko, lan Kolombia bareng‑bareng ngrebut 52 % saka wilayah sing diidentifikasi. Konsentrasi iki nuduhaké pentinge nyasaraké inisiatif restorasi menyang nagara‑nagari kuwi lan migunakaké kemampuan alamé kanggo pulih.

Brasil mimpin, ora mokal amarga wilayah Amazon lan Hutan Atlantik sing amba lan wis ngalami deforestasi signifikan. Indonesia uga cedhak, amarga pulo‑pulo tropisé nyedhiyakake kasempatan gedhé kanggo pulihé hutan.

Implikasi Kebijakan lan Dampak Global

Panemuan iki nduwèni implikasi jero tumrap kebijakan iklim internasional lan strategi konservasi. Tinimbang mung fokus ing program nandur wit sing larang, pamaréntah lan organisasi konservasi bisa ngenali wilayah sing mung butuh perlindungan saka gangguan luwih lanjut supaya alas mbalèkaké awaké dhéwé.

Riset iki nyedhiyakake peta dalan kanggo netepi komitmen lingkungan nasional lan global, kalebu target ing Paris Climate Agreement lan UN Sustainable Development Goals. Kanthi ngoptimalaké potensi pemulihan alami, nagara‑nagara bisa nggayuh tujuan restorasi luwih efisien lan kanthi asil keanekaragaman hayati sing luwih apik.

Pemetaan resolusi 30 meter uga maringi kemampuan ngambil keputusan sing presisi ing tingkat lokal, supaya pembuat kebijakan bisa nentokaké area spesifik sing paling cocog kanggo pemulihan alami. Pendekatan granular iki bisa ngowahi cara kita mikir babagan restorasi alas lan strategi nyerap karbon ing saindhenging donya.

Original study

Read the original research on nature.com →

This article summarizes published research for general information. It is not medical advice.

DG

Written by

Dr. Gymbro

Dr. Gymbro writes for Dr. Gymbro: science-backed fitness, nutrition & performance.

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