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This paintings provides an ecological and evolutionary viewpoint to the research of the kinfolk among people and common assets. the 1st to hide this topic in English, this article experiences the department of ethnobiology that analyzes the evolutionary heritage of human behavioral styles and human figuring out approximately organic assets, contemplating the old and modern elements that impression those behaviors at either the person and societal levels.

Ethnobiology aggregates diversified theoretical, epistemological, and methodological views. whereas a few of these views forget about the ecological and evolutionary nature of ethnobiology, the traditional ecological technological know-how insufficiently considers human facets as subject matters of theoretical curiosity. via exploring theories in ethnobiology, this paintings examines the interrelationships among humans and nature, contemplating the forces that contributed to shaping this inextricable link.

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4 31 Evolution by Humans Domestication is an evolutionary process guided by humans in order to adequate variation of organisms that are domesticated according to human purposes. The first theoretical treatment of domestication was the Chap. 1 of “The Origins of Species” (Darwin 1859), whose main premises were later on developed in the two volumes treatise “The variation of animals and plants under domestication” (Darwin (1868). In these works, Darwin developed four main ideas that were crucial for his thinking on the origins of biological diversity.

Pruinosus, which have two periods of fruit production. Vegetative propagules, in the cases illustrated the branches, are collected from the considered good phenotypes from wild and cultivated populations and then planted in homegardens or agroforestry systems. In addition, people use to transplant entire young plants from one site to other, particularly in agroforestry systems 44 A. Casas et al. Fig. 2 Mechanisms of gene flow between wild and cultivated populations of Stenoceres pruinosus. Photographs at the top illustrate the main vectors of natural gene flow through pollen (at the left bats Leptonycteris yerbabuenae and L.

For instance, in plants like cereals that disperse their caryopsides by fracturing their rachis, people have selected those variants with strong rachis; in the case of legumes, commonly dispersing their seeds by explosive dehiscence of their pods, humans have selected those variants with indehiscent pods. Some fruits with natural attractive colours to attract seed dispersers have been selected favouring colours cryptic for the dispersers in order to decrease damage of the useful part. (3) Suppression of mechanisms of protection against herbivores.

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