Any individual of any animal species that inhabits our planet, survives, grows and reproduces in its particular ecosystem, always within limits. That is why in ecology, when we talk about these organisms and the environment in which they live, we use the terms of habitat and ecological niche. Both terms refer to different things, but they are often synonymous terms to people in general.
Today in Green Ecology we clarify the difference between habitat and ecological niche with examples each.
Habitat is defined as the physical place occupied by the organism itself and it is a definition widely used in general to define where a species is found. In turn, the habitat of an organism is characterized by conditions within certain limits and resources. When selecting their habitat, the species choose the most suitable or the one that allows them to survive. Thus, the habitat that a certain organism occupies, depends on what is able to colonize and disperse.
The ecological niche is the strategy that a certain species uses to survive in that habitat or ecosystem, that is, their way of obtaining food, establishing competitions with other species, hunting or escaping from predators. In short, the ecological niche is a functional definition of the place that a species occupies within the habitat in which they live. Within this definition, it is also taken into account how different environmental conditions and the presence of other species influence the aforementioned factors.
The effective niche or real ecological niche is differentiated as all the conditions and resources that allow a population to remain viable in that ecosystem despite the presence of predators and other competitors, that is, taking into account the interactions with other species and the niche. fundamental or ecological potential as one that only takes into account the potentialities of a species, without considering the interactions with other species, for example, in the case of food, it only considers what the species is capable of feeding.
According to this definition, a habitat can be inhabited by individuals of different species, but each of them will have a certain ecological niche, which is unique. Thus, they can be distinguished, for example, in the same habitat, pollinators, scavengers, those that carry out photosynthesis, decomposers, etc.
However, two species can enter into interspecific competition when they occupy very similar or identical ecological niches. For example, one of the problems of invasive species is that, when they establish themselves in an ecosystem, they sometimes begin to compete with other indigenous species for the same ecological niche, being able to displace them and thus affect other individuals living in that ecosystem, thus producing a imbalance in natural ecosystems.
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