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Your Position:Home > News > News > A new two-dimensional conceptual framework to define "wildlife" scientifically and objectivelyA new two-dimensional conceptual framework to define "wildlife" scientifically and objectively
Time:2020-05-18 Click:
The living conditions of wild animals are closely related to the sustainable development of human beings. At present, the mass base of wildlife protection is growing, and the voice of protection is rising. In people's general understanding, "wild animals" means "not domestic animals". But in practice, the concepts of "wild", "non wild", "wild animal" and "wild source" have relativity. In the laws and regulations of different countries, regions and relevant international organizations, the term "wild animals" covers different groups, populations or groups of animal kingdom according to different legislative needs. At present, China's wildlife protection law (revised in 2016) does not limit the use of the term "wildlife". To answer what is "wildlife" or what is the protection goal of "wildlife protection law", scientific and objective definition of "wildlife" is the premise.
recently, the office of the Scientific Committee of endangered species of the people's A continuous change in degree to describe "wildlife.". From the perspective of species protection and management, this study examined a series of processes of wild animals from wild population to being caught, captive to being domesticated, and found that there may be 12 consecutive states.
under the conceptual framework proposed in this study, "wild animals" should first exclude animals that have been domesticated for a long time in human history: the most common domestic cats, dogs, horses, donkeys, domestic cattle, goats, sheep, pigs, domestic camels, chickens, ducks, geese, domestic pigeons, silkworm, etc.; under the strong artificial selection of scientific research, experimental models for biological evolution, genetic development or human disease research Type a fauna (if flies, zebrafish, Xenopus, rats, mice).
The economic animals (such as sika deer, red deer, raccoon dog) and experimental animals (such as cynomolgus monkey and ferret) that live in the condition of artificial control have formed stable artificial populations, and there is no wild source in the lineal blood relatives. Some animals may be bred quickly because of human needs for specific phenotypes (such as pets and skins), but there are also many breeding populations whose phenotypes and gene frequencies are not significantly different from those in the wild or whose behaviors are not significantly changed. Such animals are not wild animals in a strict sense, but due to the possible impact on wild populations or similar species, it is advisable to refer to the principle of species inclusion in the cites Convention on international trade in endangered species of Wild Fauna and Flora (CITES Convention) and preventive measures, and adopt traceability systems such as legal source determination, certificate management, registration mechanism and open database to supervise them.