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Titlebook: Biology and Conservation of the European Sturgeon Acipenser sturio L. 1758; The Reunion of the E Patrick Williot,Eric Rochard,J?rn Gessner

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41#
發(fā)表于 2025-3-28 15:34:34 | 只看該作者
Ancient Sturgeon Populations in France Through Archaeozoological Remains, from Prehistoric Time Untiall over France, and the review of specific determinations according to morphological criteria. Whilst . remains to this day the only identified species on the Mediterranean side, rivers of the Atlantic coast and the north of France have sheltered by a majority another species, ., from the Neolithic
42#
發(fā)表于 2025-3-28 22:49:24 | 只看該作者
Palaeogeographic Patterns of , such as museum specimens or archaeological remains represents the only opportunity to access the past diversity of the species. Extracting and analyzing DNA from ancient material provide the means to compare genetically sturgeons from the entire former geographical range of the species. Here we pre
43#
發(fā)表于 2025-3-29 00:00:48 | 只看該作者
44#
發(fā)表于 2025-3-29 04:32:10 | 只看該作者
45#
發(fā)表于 2025-3-29 10:49:26 | 只看該作者
46#
發(fā)表于 2025-3-29 13:12:12 | 只看該作者
47#
發(fā)表于 2025-3-29 19:29:19 | 只看該作者
48#
發(fā)表于 2025-3-29 22:12:59 | 只看該作者
Historic Overview on the Status of the European Sturgeon (,) and Its Fishery in the North Sea and It that it can be derived from available fisheries data. The alteration in fishing techniques and fishing sites, from a strictly riverine fishery to coastal fishery average in the 1880s and subsequently, the increased marine catch is illustrated. Its effects on fish size as well as on the population a
49#
發(fā)表于 2025-3-30 02:45:53 | 只看該作者
50#
發(fā)表于 2025-3-30 06:02:48 | 只看該作者
The Historical and Contemporary Status of the European Sturgeon, , L., in Italygreat sturgeon, . L., while it was the only species on the Tyrrhenian Coast. It was the most common sturgeon species in the Po River, where the first signal of decline, at the end of the nineteenth century, became a progressive trend in the first half of the following century and accelerated in the
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