官方藏书 / Environmental_Issues / Botanical features of the Algerian Sahara

Botanical features of the Algerian Sahara

William Austin Cannon · Environmental_Issues · 7 章

目录

Table 7.—Evaporation-rainfall ratio, seasonal, 1908.EFFECTS OF GRAZING ON VEGETATION NEAR LAGHOUAT.ROOT-HABITS IN THE GHARDAIA REGION.THE ENVIRONMENTAL CONDITIONS OF PLANTS IN ARID REGIONS.COMPARISON OF SOME GENERAL FEATURES OF THE VEGETATION OF SOUTHERN ALGERIA AND OF SOUTHERN ARIZONA.THE FULL PROJECT GUTENBERG™ LICENSE Chapter 7