Results 111 to 120 of about 40,911 (259)

Management of water hyacinth, Eichhornia crassipes, in Lake Victoria Basin [PDF]

open access: yes, 2004
Water hyacinth is a free-floating waterweed native to the Amazon River Basin in South America. In its native range, water hyacinth is not an environmental problem, although the weed is one of the most invasive alien plants in freshwater environments.
Twongo, T.K., Wanda, F.M.
core  

Seasonal Growth of Waterhyacinth in the Sacramento/San Joaquin Delta, California [PDF]

open access: yes, 2005
Waterhyacinth ( Eichhornia crassipes (Mart.) Solms), is a serious problem in the Sacramento/San Joaquin Delta, California. There is little published information on its phenology or seasonal growth in this system. Waterhyacinths were sampled at 2 to
Ksander, G. G., Spencer, David F.
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Teaching Edith Eaton/Sui Sin Far: Multiple Approaches [PDF]

open access: yes, 2010
This essay compares pedagogical approaches to teaching the literature of Edith Eaton in two distinct contexts: a course on Asian American Literature and a course on Asian Americans of Mixed Heritage.
Dariotis, Wei Ming
core   +1 more source

Household Vegetable Demand in the Philippines: Is There an Urban-Rural Divide? [PDF]

open access: yes
A three-step estimation method and a Nonlinear Quadratic Almost Ideal Demand System (NQAIDS) are used to assess the vegetable demand behavior of rural and urban households in the Philippines.
Mutuc, Maria Erlinda M.   +2 more
core   +1 more source

Review of R and D on Water Hyacinth Utilization in the Philippine Republic [PDF]

open access: yes
The operations of a Filipino inventor were observed with a view toward determining the technical-economic potential of his hyacinth utilization concepts if the highly fibrous portion of the plant were separated from the other components.
Hillman, M. E. D., Otis, J. L.
core   +1 more source

Application of vascular aquatic plants for pollution removal, energy and food production in a biological system [PDF]

open access: yes
Vascular aquatic plants such as water hyacinths (Eichhornia crassipes) (Mart.) Solms and alligator weeds (Alternanthera philoxeroides) (Mart.) Griesb., when utilized in a controlled biological system (including a regular program of harvesting to achieve ...
Barlow, R. M.   +2 more
core   +1 more source

Impact of nutrients and herbivory by Eccritotarsus catarinensis on the biological control of water hyacinth, Eichhornia crassipes [PDF]

open access: yes, 2007
Many water hyacinth infestations in South Africa are the symptom of eutrophication, and as a result, biological control of this weed is variable. This study examined the effects of herbivory by the mirid, Eccritotarsus catarinensis, on water hyacinth ...
Byrne, M J   +2 more
core   +1 more source

Opportunities for classical biological control of weeds in European overseas territories [PDF]

open access: yes, 2008
European overseas territories are home to biodiversity and endemism of worldwide importance, vastly superior to that of continental Europe as a whole. They are, however, much more threatened by invasive species, including hundreds of alien invasive plant
Baret, Stéphane   +5 more
core  

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