浓缩
发表于 2025-3-28 18:22:59
Klassische ganzheitliche Wachstumstheoriecies, and species penetrating into natural habitats. There is insufficient information about the remaining species. About 30 species are widespread noxious weeds which now have economic significance in Israel; 20 others are known to have similar ecological tendencies in other countries. These species soon may become aggressive weeds in Israel.
miscreant
发表于 2025-3-28 22:21:22
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厚脸皮
发表于 2025-3-29 02:02:44
https://doi.org/10.1007/978-3-658-31805-5nization of less disturbed sites, (4) invasion into undisturbed sites, each subsequent stage being more difficult to achieve than the previous one. Consequently, most of the aliens occur only in man-made ruderal and/or segetal plant communities, and very few of them were able to penetrate into undisturbed natural vegetation.
使闭塞
发表于 2025-3-29 05:41:24
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情感脆弱
发表于 2025-3-29 07:15:02
Klassische Wachstumstheorie und Entwicklungrtance among all the present Mediterranean zones. Man’s influence on the vegetation became significant in the middle Neolithic (south of France) or earlier (south of Spain) and may be characterized by the presence of plants such as . and .. The Chalcolithic, the Roman period, and the Middle Ages are also important periods of man’s influence.
Reclaim
发表于 2025-3-29 13:54:58
https://doi.org/10.1007/978-3-662-00563-7es, it glues eggs directly to the seeds tegument. Growing in stores, it can live temporarily each year in fields, during the ripening of pods, where climatic conditions in the remainder of the year are inconsistent with its biological constraints.
容易生皱纹
发表于 2025-3-29 17:14:02
Plant invasions in Central Europe: historical and ecological aspectsnization of less disturbed sites, (4) invasion into undisturbed sites, each subsequent stage being more difficult to achieve than the previous one. Consequently, most of the aliens occur only in man-made ruderal and/or segetal plant communities, and very few of them were able to penetrate into undisturbed natural vegetation.
神刊
发表于 2025-3-29 22:22:28
History of the impact of man on the distribution of plant speciesr are discussed in this paper. Exotic species especially appear to occur in plant communities strongly influenced by man. Although European plant communities generally appear to be resistant to an invasion of exotic species, the same is not true for other continents. Examples are given.
Engulf
发表于 2025-3-30 02:44:20
Man and vegetation in the Mediterranean area during the last 20,000 yearsrtance among all the present Mediterranean zones. Man’s influence on the vegetation became significant in the middle Neolithic (south of France) or earlier (south of Spain) and may be characterized by the presence of plants such as . and .. The Chalcolithic, the Roman period, and the Middle Ages are also important periods of man’s influence.
鬼魂
发表于 2025-3-30 07:20:48
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