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Definition of Connectivity


Definition of Connectivity



It is called connectivity to the ability to establish a connection : a communication link. The concept often refers to the availability of a device to be connected to another or a network. 

In the field of computing , the connectivity of a computer (computer) is given by its ability to connect to a network such as the Internet or other equipment and peripherals. 
A computer can have WiFi , USB , PS / 2 and FireWire connectivity , for example: this means that the computer in question can be connected through the aforementioned technologies.

It is important to distinguish between this concept and the connection : while connectivity remains the same throughout the life of a device until its parts are updated or improved, the connections begin and end, and within the same context (making use of the same network of equipment with invariable connectivity) may have different characteristics each time.

For example, with the same mobile phone, whose connectivity is always the same, we establish many connections throughout the week and the results are usually very
variable, whether due to the presence of humidity in the air, storms or force of the wind. The idea of wireless connectivity refers to communications that are established
without cables . In this way, the sender and receiver are not linked through a physical medium, but appeal to waves that travel through space. A cell phone (mobile), to name a case, can connect to another using Bluetooth technology . 

This way you can send information from one computer to another without using cables. The concept of ecological connectivity , on the other hand, refers to the ability of a population to establish a relationship with specimens from another population in fragmented terrain. It can also be spoken of landscape connectivity . In this case, the notion is related to the spatial arrangement and makes mention of how a landscape is structured. 

It is possible to differentiate between functional connectivity(centered on what influence the landscape exerts in the distribution of individuals) and structural connectivity (how the various elements that make up the landscape are organized in 
space ). With respect to the advantages offered by landscape connectivity, we can say that it gives organisms the possibility of migrating from one place to another, something that favors the colonization of new parts and reduces the chances of existing populations becoming extinct, thanks to which new individuals arrive who come from other territories.

The landscape connectivity also reduces the difficulty of the movement of the fauna throughout its biological cycles, giving them the possibility of finding new places in which to reproduce, take refuge and feed themselves . Similarly, it reduces the 
isolation of different populations, which prevents inbreeding (reproduction between individuals sharing the same ancestry) and genetic drift (an alteration in the frequency of the alleles, with the consequent change in the genetic diversity of a population).

Another advantage that emerges from landscape connectivity is that the extinction 
probabilities of the species involved decrease considerably due to the issues discussed above, as well as the potential sensitivity to certain diseases. Of course, landscape
 connectivity also has some disadvantages. In the first place, at the same time that the individuals of a community move from one place to another, they can take with them certain diseases , and disperse them in the new territories. Something similar occurs with pests and invasive species, which move indirectly and upon arrival they begin their destructive action.

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