Co-Authors:
Benjamin, R.W., Agricultural Research Organization, Bet Dagan 50-250, Israel, Israel
Lavie, Y., Ben-Gurion University of the Negev, Beer Sheva 84-110, Israel, Israel
Forti, M., Ben-Gurion University of the Negev, Beer Sheva 84-110, Israel, Israel
Barkai, D., Agricultural Research Organization, Bet Dagan 50-250, Israel, Israel
Yonatan, R., Agricultural Research Organization, Bet Dagan 50-250, Israel, Israel
Hefetz, Y., Agricultural Research Organization, Bet Dagan 50-250, Israel, Israel
Benjamin, R.W., Agricultural Research Organization, Bet Dagan 50-250, Israel
Lavie, Y., Ben-Gurion University of the Negev, Beer Sheva 84-110, Israel
Forti, M., Ben-Gurion University of the Negev, Beer Sheva 84-110, Israel
Barkai, D., Agricultural Research Organization, Bet Dagan 50-250, Israel
Yonatan, R., Agricultural Research Organization, Bet Dagan 50-250, Israel
Hefetz, Y., Agricultural Research Organization, Bet Dagan 50-250, Israel
Abstract:
Atriplex nummularia, Atriplex canescens and Cassia sturtii were planted in thenorthern Negev in 1984 in six replicates at five planting densities: 625, 1111, 2500, 4444 and 10,000 shrubs ha-1 . They were left undisturbed for 3 years until July 1987, following which they were summer browsed by sheep and goats until the shrubs were completely defoliated, and summer browsed again 1988, 1990 and 1991. A. nummularia was superior to the other species. It had the highest total and edible biomass after 3 years of undisturbed growth and the best absolute recovery after browsing. Neither of the Atriplex species recovered the initial standing biomass recorded before browsing in 1987, and there was a serious decline in the regrowth of leaf biomass. Cassia sturtii recovered its initial standing biomass at the two highest planting densities but failed to do so at the other densities. © 1995 Academic Press Limited.
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