By Cyrus M. McKell
ISBN-10: 0124848109
ISBN-13: 9780124848108
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Fernández et al. 100 MONOCOTYLEDONS 80 / ^ ·\ 60 //: · . / , ■\ V \' · · . , · ■ . / , · · " " ■/ · . . \\ / 40 \\ / / 20 > ^ - ^ > / \ . M % J S N J M DICOTYLEDONS Goat 100 80 60 40 20 M — J S N J Months Cattle M Figure 3. Yearly percentage consumption by goat, sheep, guanaco, and cattle of monocotyledons and dicotyledons of the Monte. ) nutritive value or abundance of a species, it is of no use unless animals eat it. Selective feeding by livestock does not necessarily correlate with the nutritive value of the plant tissue.
1, only the west portion of the Gran Chaco has been indicated. This region is referred to as Chaco Woodland. It represents the driest part of this huge sedimentary basin, whereas the wetter east portion is covered by forests, savannas, marshes, and tropical wet forests. The Chaco Woodland limits correspond on the Argentine side to those established by Morello (1968) for the Chaco Leñoso and they broadly overlap with those of the Parque Chaqueño Occidental described by Ragonese and Castiglione (1970) or the Distrito Chaqueño Occidental by Cabrera (1970).
Plants with therapeutical value are: Ephedra americana, E. breana, Azor ella compacta, Salvia gilliesii, Pellaea nivea, Chenopodium graveolens, Artemisia copa, and Haplopappus rigidus (Cabrera, 1957; Ruthsatz, 1974). VIL Central Chile The area included in Central Chile corresponds to the "matorral" formation, which is depicted in the chart on the main vegetation formations of Chile published by Quintanilla (1981). A more detailed map for a reduced area appears in the "Chile-California Mediterranean Scrub Atlas" edited by Thrower and Bradbury (1977).
The Biology and Utilization of Shrubs by Cyrus M. McKell
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