Pozindikira izi, Mexico yakhala malo achitatu padziko lonse lapansi m'maiko omwe ali ndi Biosphere Reservation, yolumikizana ndi Spain, yomwe ili ndi madera 38 otere.
Panthawi ya III World Congress of Biosphere Reserves, yomwe idachitikira mumzinda wa Madrid, Spain, UNESCO yalengeza zakukweza madera awiri azachilengedwe mgulu la Biosphere Reserves: malo osungira Russia a Rostovsky ndi zilumba za Zilumba za Marietas, zomalizazi zinali kufupi ndi gombe la boma la Nayarit, ku Mexico.
Pamsonkhanowu adalengezedwanso kuti La Encrucijada Biosphere Reserve, yomwe ili pagombe lakumwera kwa Chiapas, pafupi ndi malire ndi Guetamala, yadziwika ngati njira yosamalira zachilengedwe, chifukwa chothandizana ndi nzika zake molumikizana ndi Unduna wa Zachilengedwe ku Mexico.
Zilumba za Marietas ndi gulu lazilumba zazing'ono momwe, kuphatikiza pamiyala yamakorali, nsomba ndi nyama zam'madzi, mtundu wina wa mbalame za m'banja la booby, lotchedwa booby phazi lamtambo, limakhala. Momwemonso, nkhokwe yatsopanoyi ndi labotale yofunika kwambiri, pomwe anamgumi amtunduwu amabwera kuti amalize kuswana.
Ndikusankhidwa kumeneku, Mexico idalumikizana ndi Spain ngati dziko lachitatu lomwe lili ndi Biosphere Reserves, koma kumbuyo kwa United States ndi Russia. Chifukwa chake, akuyembekezeredwa kuti kufunikira kwa alendo odzawona malowa kudzawonjezeka posachedwa, zomwe mosakayikira zidzabweretsa zowonjezera zomwe zimakondera ntchito yosamalira malo okongola awa ku Mexico Pacific.
