000 01707nam a2200457Ia 4500
001 0000013121
005 20251012174525.0
008 720512s1972 caua b 001 0 eng
020 _a0071676953
020 _a0716706954
020 _a9780071676953
020 _a9780716706953
020 _z0071676954
050 0 0 _aHB871
_b.E35 1972
060 0 0 _aHB 875
_bE33pa 1972
090 0 4 _a301.3
245 1 0 _aPopulation, resources, environment;
_bissues in human ecology
_c[by] Paul R. Ehrlich [and] Anne H. Ehrlich.
250 _a2d ed.
260 _aSan Francisco,
_bW.H. Freeman
_c[1972]
300 _axiv, 509 p
_billus
_c27 cm.
500 _aThird ed. published in 1977 under title: Ecoscience.
504 _aIncludes bibliographical references.
505 0 _aThe crisis -- Numbers of people -- Population structure and projection -- The limits of the earth -- Food production -- Environmental threats to man -- Ecosystems in jeopardy -- Optimum population and human biology -- Birth control -- Family planning and population control -- Social, political, and economic changes -- The international scene -- Conclusions.
650 0 _aHuman ecology.
650 0 _aPollution.
650 0 _aPopulation.
650 2 _aEcology.
650 2 _aPopulation Growth.
650 4 _aContaminaciâon.
650 4 _aEcologâia humana.
650 6 _aâEcologie humaine.
650 6 _aPollution.
650 6 _aPopulation.
650 7 _aâEcologie humaine.
_2ram
650 7 _aPollution.
_2ram
650 7 _aPopulation.
_2ram
650 0 7 _aBevèolkerungswachstum.
_2swd
650 0 7 _aUmweltkrise.
_2swd
650 1 7 _aBevolkingsvraagstuk.
_2gtt
650 1 7 _aEcologische aspecten.
_2gtt
999 _c5321
_d5321