Alien plants have greatly altered some native plant communities and threaten others in Hawai`i Volcanoes National Park. The Park contains approximately 405 alien and 375 native vascular plant species. Desultory efforts were made to control alien plants until the 1980s, at which time a systematic program was initiated. The following strategies or actions have been taken to protect native species...

A bird species is regarded as alien invasive if it has been introduced, intentionally or accidentally, to a location where it did not previously occur naturally, becomes capable of establishing a breeding population without further intervention by humans, spreads and becomes a pest affecting the environment, the local biodiversity, the economy and/or society, including human health. European St...

Many animal-pollinated plant species have been introduced to non-native regions without their usual pollinators. Nevertheless, some of these alien species managed to establish reproducing naturalized populations, which might negatively affect native plants. Recent studies have shown that many naturalized alien species can readily attract native pollinators. However, it is not known whether alie...

The highlands and mountains of Iceland are one of the largest remaining wilderness areas in Europe. This study aimed to provide comprehensive and up-to-date data on non-native plant species in these areas and to answer the following questions: (1) How many non-native vascular plant species inhabit highland and mountainous environments in Iceland? (2) Do temporal trends in the immigration of ali...

This paper describes the use of probabilistic graphical models, in particular Bayesian networks (BN), for the detection of two problem invasive alien plants, C. odorata and L. camara, from the recently-launched 8-band Worldview-2 satellite imagery acquired on 26 September 2010 over central Swaziland. The main objective of this work was to apply and evaluate the efficacy of the very high resolut...

Invasion of Alien Invasive Plant species (IAPs) is one the major drivers for wetland ecosystem degradation and aquatic biodiversity loss. Among ecosystems, freshwater habitats including lakes streams are more susceptible to extinction. In Lake Cluster Pokhara Valley (LCPV), many have been threatened by an abundant occurrence water hyacinth (Eichhornia crassipes). Thus, this study aims identity ...