The indirect threats of invasive species: 1  Changing food webs: Invasive species can change the food web in an ecosystem by destroying or replacing native food sources. 2  The invasive species may provide little to no food value for wildlife.uman health and economies are also at risk from invasive species. The impacts of invasive species on our natural ecosystems and economy cost billions of dollars each year. Many of our commercial, agricultural, and recreational activities depend on healthy native ecosystems.
The common side effect is bleeding. Less common side effects may include tissue death and purple toes syndrome. Use is not generally recommended during pregnancy. It is recommended that the effects of warfarin typically be monitored by checking prothrombin time every one to four weeks.
Calcium build up in the arteries -- one of the long term effects of warfarin -- is THE leading cause of hardening of the arteries and of heart disease. Hardened arteries leads to a heart attack or a stroke.ell, here's the bad news: 1  People using warfarin have an increased chance of getting bleeding brain strokes. 2  Strokes due to bleeding are among dangerous coumadin side effects, say researchers.