The Threat of Invasive Alien Species to Biological Diversity: Setting a Future Course

Chornesky, Elizabeth A.; Randall, John M.

doi:10.2307/3298527

Cited by 68 publications

(52 citation statements)

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“…Such mixed assemblages and the resulting 'novel ecosystems' [78] raise important questions in an applied context; for example, which factors enable native species to persist with invaders once the latter have established [79]? Which invasive species should be targeted for control and which ones can be ignored [80]?…”

Section: Consequences Of Climate-mediated Invasionsmentioning

confidence: 99%

Alien species in a warmer world: risks and opportunities

Walther¹,

Roques²,

Hulme³

et al. 2009

Trends in Ecology & Evolution

1,103

911

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Section: Consequences Of Climate-mediated Invasionsmentioning

confidence: 99%

Alien species in a warmer world: risks and opportunities

Walther¹,

Roques²,

Hulme³

et al. 2009

Trends in Ecology & Evolution

1,103

911

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“…Perhaps the most frequently documented effects of IAS are their suppression of native populations through predation, competition, parasitism, or disease (Chornesky and Randall, 2003). However, the evolution of invasiveness as an adaptive trait has been less addressed (Ellstrand and Schierenbeck, 2006).…”

Section: Current Research and Future Trendsmentioning

confidence: 99%

Hybridization between native and invasive alien plants: an overlooked threat to the biodiversity of Sri Lanka

Yakandawala

2011

Ceylon J. Sci. (Biol. Sci.)

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Conservation of native biological diversity is one of the major challenges of this century. Invasive alien species (IAS) are a part of this challenge because a small but a significant fraction of IAS contribute to the demise of native species. The present paper reviews current literature on the phenomenon of hybridization in plants supporting the evolution of invasiveness, which is identified as a major threat to the extinction of native species. Further, the phenomenon of hybridization is been reviewed on a Sri Lankan context by citing evidence from a preliminary study between the native Nymphaea nouchali and an introduced violet flowered water-lily that has got established in water-bodies of Sri Lanka. This violet flowered water-lily has been incorrectly identified as the native Nymphaea nouchali, the National flower of Sri Lanka ('Nil Manel'). Revealing the flawed identity of the violet flowered Nymphaea, its hybrid origin and the hybridization with the native N. nouchali, provides an excellent opportunity for initiating studies on a novel area in hybridization between natives and invasive alien species of plants in Sri Lanka.

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“…Alien species may attain invasive status by possessing any one of a list of properties: a profound ability to colonize disturbed areas, a shorter germination time, earlier flower and seed production, faster modes of seed dispersal, or lack of predators in their new habitat (Rejmánek 1996;Goodwin 1999). Many of these characteristics enable an invasive plant to take advantage of high rates of colonization in disturbed areas, a trait that increasingly gives them an edge as humans manage land for agricultural and developmental resources (Harrod 2001;Chornesky and Randall 2003). This tendency of many invasive plants to take advantage of an already distressed area, inhibiting natural or mechanical restoration, is one of the characteristics that make them so detrimental.…”

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confidence: 99%

Untitled

2005

McNair Scholars Online Journal

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The Ronald E. McNair Scholars Program at Portland State University (PSU) works with motivated and talented undergraduates who want to pursue PhDs. It introduces juniors and seniors who are first-generation and lowincome, and/or members of under-represented groups to academic research and to effective strategies for getting into and graduating from PhD programs.The McNair Scholars Program has academic-year activities and a full-time summer research internship. Scholars take academic and skills-building seminars and workshops during the year, and each scholar works closely with a faculty mentor on original research in the summer. Scholars present their research findings at the McNair Summer Symposium and at other conferences, and are encouraged to publish their papers in the McNair Journal and other scholarly publications.The Ronald E. McNair Post-baccalaureate Achievement Program was established in 1986 by the U.S. Department of Education and named in honor of Challenger Space Shuttle astronaut Dr. Ronald E. McNair. The program, which is in its seventh year on campus, is funded by a $924,000 grant from the U.S. Department of Education and institutional cost-share funds.The McNair Scholars Program's student-centered approach relies heavily on faculty and university commitment. While working as a staff physicist with Hughes Research Laboratory, Dr. McNair soon became a recognized expert in laser physics. His many distinctions include being a Presidential Scholar (1971-74), a Ford Foundation Fellow (1971-74), a National Fellowship Fund Fellow (1974, and a NATO Fellow (1975). He was also a sixth degree black belt in karate and an accomplished saxophonist. Because of his many accomplishments, he was selected by NASA for the space shuttle program in 1978. His first space shuttle mission launched successfully from Kennedy Space Center on February 3, 1984. Dr. Ronald E. McNair was the second African American to fly in space. Two years later he was selected to serve as mission specialist aboard the ill-fated U.S. Challenger space shuttle. He was killed instantly when the Challenger exploded one minute, thirteen seconds after it was launched. Dr. McNair was posthumously awarded the Congressional Space Medal of Honor. After his death in the Challenger Space Shuttle accident on January 28, 1986, members of Congress provided funding for the Ronald E. McNair Post-Baccalaureate Achievement Program. Their goal was to encourage low-income and first-generation college students, and students from historically underrepresented ethnic groups to expand their educational opportunities by enrolling in a Ph.D. program and ultimately pursue an academic career. This program is dedicated to the high standards of achievement inspired by Dr. McNair's life. Terrel L. Rhodes, Principal InvestigatorDr. Rhodes is the Vice Provost for Curriculum and Dean of Undergraduate Studies at Portland State University. As such, he acts as dean of general education, oversees the undergraduate curriculum process, serves as the institutional liaison for accr...

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The Threat of Invasive Alien Species to Biological Diversity: Setting a Future Course

Cited by 68 publications

References 0 publications

Alien species in a warmer world: risks and opportunities

Alien species in a warmer world: risks and opportunities

Hybridization between native and invasive alien plants: an overlooked threat to the biodiversity of Sri Lanka

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