The phrase "alterations of ecosystems" is correct and usable in written English.
It can be used when discussing changes or modifications that occur within ecological systems, often in the context of environmental science or ecology.
Example: "The alterations of ecosystems due to climate change are becoming increasingly evident in various regions around the world."
Alternatives: "changes in ecosystems" or "modifications of ecosystems".
In areas where urbanization is not controlled, the concentration of human presence in residential and industrial settings may lead to an alteration of ecosystems patterns and processes.
Human alteration of ecosystems prior to Euro-American contact in the area that became the conterminous United States disproportionately affected terrestrial systems compared to freshwater ecosystems, primarily through the use of fire and agriculture in some regions of the United States.
The human mediated transfer of harmful organisms via shipping, specifically via ballast water transport, leading to the loss of biodiversity, alteration of ecosystems, negative impacts on human health and in some regions economic loss, has raised considerable attention especially in the last decade.
Crop yields have been damaged, and the impact of an increase in extreme events has resulted in "alteration of ecosystems, disruption of food production and water supply, damage to infrastructure and settlements, increases in morbidity and mortality, and consequences for mental health and human well-being".
However, the long-term effects of transportation infrastructure are not well understood; these include land-use changes, changes in landscape patterns, and the alteration of ecosystem services.
Argentine ants displace native ants and other arthropod fauna [ 52, 53], disrupting important plant-ant interactions [ 54] and leading to the alteration of ecosystem functioning and cascading effects on other trophic levels [ 55].
All lead to alterations of Posidonia ecosystems.
Many human alterations of salmon ecosystems can be expected to persist indefinitely, thus precluding natural recovery.
Calling attention to the fact that light pollution is also a major source of alterations to ecosystems, Longcore and Rich (2004) and Rich and Longcore (2006) coined the term "ecological light pollution".
This question merits attention because shifts in benthic communities may, in theory, exert cascading effects on nektonic and planktonic communities that could result in alterations of the ecosystem's functions.
