咆哮
发表于 2025-3-25 03:49:55
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MAIZE
发表于 2025-3-25 09:43:14
sing territory (geological environment) for urban underground construction of different object types. It was shown how the previously designed general morphological model of territorial development for underground city planning that describes geological environment, can be complemented by additional
表示向前
发表于 2025-3-25 11:43:46
Introduction,o withstand extremes of heat and cold, lack of water and fluctuations in the availability of food and plant cover, or (2) to be a migrant, and to opportunistically or seasonally move to where these resources are available. For at least one group of animals, the avifauna, both strategies have their a
艰苦地移动
发表于 2025-3-25 17:05:54
Migrations and Movements of Desert Birds,al of many organisms in arid ecosystems, including humans (CloudsleyThompson 1977; Smith 1992; Seely 1994) and other large mammals such as Springbok . (Skinner 1993), Blue Wildebeest (.), Burchell’s Zebra (.) (Sinclair 1984) and desert-dwelling African Elephants . (Viljoen and Bothma 1990) in Africa
积习已深
发表于 2025-3-25 21:38:37
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BRACE
发表于 2025-3-26 00:52:44
Habitats and Densities of Nomadic Birds, grassland and shrubland ecosystems. This raises the question of whether the birds are seeking out particular habitats, or particular foods, or are they adaptable enough to cope with a range of habitat and climatic conditions but not adaptable enough to cope with drought and diminishing resources as
Heretical
发表于 2025-3-26 05:44:25
Food and Foraging,and produce large quantities of seeds after irregular rainfall events are, in effect, nomads in time. So are other potential foods, including outbreaks of rodents (Wilson 1970; Hollands 1979; Windberg 1998; Lima and Jaksic 1999; Lima et al. 1999; Perrin and Boyer 2000), breeding colonies of Wattled
简略
发表于 2025-3-26 11:32:37
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ETCH
发表于 2025-3-26 15:16:43
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GLADE
发表于 2025-3-26 20:10:05
The Conservation of Nomadic Desert Birds,val is largely unknown, and threats to the continued existence of species in certain areas have to be inferred from land use and the pressure on the environment. Although Reid and Fleming (1992, 1994) have suggested that nomadic passerines are less at risk than sedentary passerines in arid Australia