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Upper Kipahulu Valley weed survey

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Title: Upper Kipahulu Valley weed survey
Authors: Yoshinaga, Alvin Y.
Keywords: Kipahulu Valley
LC Subject Headings: Haleakala National Park (Hawaii)
Invasive plants -- Hawaii -- Maui.
Weeds -- Hawaii -- Maui.
Issue Date: Sep 1980
Publisher: Cooperative National Park Resources Studies Unit, University of Hawaii at Manoa, Department of Botany
Citation: Yoshinaga AY. 1980. Upper Kipahulu Valley weed survey. Honolulu (HI): Cooperative National Park Resources Studies Unit, University of Hawaii at Manoa, Department of Botany. PCSU Technical Report, 33.
Series/Report no.: Technical Report
Abstract: This study reports the distribution and status of introduced vascular plants in Kipahulu Valley between 610 m and 2020 m (2000 & 6630 ft). Fifty-five exotic weed species and weedy natives were located, including 30 which have not been reported previously in the area. The most serious threat to the Valley ecosystem is the strawberry guava (Psidium cattleianum). Rose apple (Eugenia jambos), Hilograss (Paspalurn conjugatum), guava (Psidium guajava), and African tulip tree (Spathodea campanulata) also pose a significant threat. Most of the invading exotics are of tropical origin. The main source of potential invading species is the warm lowlands at the bottom of the Valley, which are rich in exotics. Immediate resource management recommendations are the control of feral pigs (Sus scrofa), the elimination of the strawberry guava, and the establishment of a management buffer zone between the lower and upper Valley.
Description: Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.
Sponsor: National Park Service Contract No. CX 8000 8 0011
Appears in Collections:The PCSU and HPI-CESU Technical Reports 1974 - current

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