Global Change Stressors

Global change stressors that include climatic changes and variability together with land-use changes are the major drivers of changes in the global ecosystems. Invasive species, otherwise known as non-native species, may result in environmental and economic costs. They also pose as a threat to human health and also cause major changes in ecosystems. These effects of global climate change on non-native species and their joint effects on the different ecosystems are not clearly understood, the changes vary in different biodiversity regions with weather and species character. In some occurrence, climate change may generate supplementary opportunities for invasion or make conditions unsuitable for other invasive species. As a result, the level of ecological, economic, and human-health impacts of invasive species may increase, decrease, or otherwise remain the same. The intensity of doubt about specific impacts of climate change is quite high. A basic initiative to deal with these impacts is the development of management policies that integrate accessible climate-change data and facilitate the addition of new improved information. This paper presents a peer review of recently conducted research on the effect of climate change on invasive speeches, and then goes ahead to recommend potential areas where future studies should concentrate, since already conducted researches leave a research gap that need to be filled to deal with the threat invasive species pose to our environment due to climate changes.

Changes of climate and biological invasions are interrelated, dynamic and interdependent phenomenon. They influence the health and well-being of people as they have effect on the products of ecosystems such as goods, services and resources. These ecological units are significant to water supplies, food security, agriculture and forests and other resources that nature provides. They have an impact on basic health and safety of the public, recreation and wildlife. Despite their impact on climate, invasive species have greatly affected many universal ecological units. Invasive species may experience constructive or destructive influence from changes in climate. As it can be predicted in different models, many limited natural species are likely to be negatively affected.

Invasive species have a tendency of displaying great capability of getting adapted to ecological change as compared to native varieties. Therefore, the most adaptable species are projected to increase and get along with native animal and plant communities.

The prevailing climatic changes and their anticipated pace are likely to aggravate problems by intensifying the capability of the invasive species to establish themselves, occupy extensively and resulting in disruption of ecosystems. The invasive species are capable of restructuring the land for resources and agricultural services such as fiber, fuel, food, and forests besides quick reformation of decisions on how to make use of the land. Similarly, changes in climate can provoke collapse of fisheries relative to loss of mid-trophic structure, leading to occurrence of suitable niches that tolerate invasive species. Climate has also led to the rise of invasive disease causing vectors including those that cause avian flu and malaria whose concern have increased. Climate change has been proved to affect the effectiveness of management policies to control invasive species. The invasive plants have also affected the vegetation cover on land leading to influence on climate. The occurrence of wildfires is also likely to increase and attempts to establish invasive species that are adapted to fire tends to intensify the fires.

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