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منابع مشابه
Spoor counts as indices of large carnivore populations: the relationship between spoor frequency., sampling effort and true density
1. Studies of large carnivore populations and, particularly, reliable estimates ofpopulation density are necessary for effective conservation management. However, these animals are difficult to study, and direct methods of assessing population size and density are often expensive and time-consuming. 2. Indirect sampling, by counting spoor, could provide repeatable and inexpensive measures of so...
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79215; green=P, blue=Ca, red=Fe. Apatite is cyan; plagioclase is blue, olivine is red, opx is dark. Table 1. Average chemical analysis of 79215 apatite. Avg* 1 σ To 8 cations SiO2 0.41 0.02 Ti 0.001 TiO2 0.01 0.02 Al 0.001 Al2O3 0.01 0.02 Ce 0.002 Ce2O3 0.05 0.02 REE 0.012 REE2O3 0.21 ** Fe 0.014 FeO 0.20 0.06 Mn 0.002 MnO 0.02 0.02 Mg 0.017 MgO 0.14 0.03 Ca 4.973 CaO 54.86 0.15 Sr 0.002 SrO 0....
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ژورنال
عنوان ژورنال: AGORA Magazine
سال: 1984
ISSN: 1380-6319
DOI: 10.21825/agora.v1i1.15368