Results 61 to 70 of about 215,740 (264)

How Changes in Plant Community Structure Affect Terrestrial Invertebrate Food Webs [PDF]

open access: yes, 2015
We investigated how change in plant community composition and vegetative structure brought about by annual grass-specific herbicide application affects terrestrial arthropod communities, with special emphasis on the potential mutualists and predators of ...
Alegre, Dillon   +3 more
core   +1 more source

Spatiotemporal Variations in Nectar Robbing and Its Effects on Reproduction in Salvia castanea Diels (Lamiaceae)

open access: yesPlants
Nectar robbing typically reduces nectar availability to pollinators, damages flower structure, and/or induces secondary robbing. Consequently, it may reduce pollen deposition and seed set, increase pollination efficiency and outcrossing, and/or not ...
Han-Wen Xiao, Yan-Bo Huang
doaj   +1 more source

Identification and invasive potential of Opuntia humifusa complex in China: Insights from morphology, plastid genomics, and niche modeling

open access: yesGlobal Ecology and Conservation
Background: The genus Opuntia contains a handful of widespread invasive species, posing significant ecological threats worldwide. In China, the first records of two populations from the O.
Jing Yan   +10 more
doaj   +1 more source

Impact of Land Use Changes and Dynamic Vegetation Changes on Vascular Flora Diversity in Małków-Bartochów (The Warta River Valley) [PDF]

open access: yes, 2011
The paper presents the changes of vascular plant flora in the Małków-Bartochów peatland area (the Warta River valley) which took place over a 40-year period.
Michalska-Hejduk, Dorota   +1 more
core   +2 more sources

Research on South Australia’s Endangered Plants

open access: yesAustralian Network for Plant Conservation Newsletter, 1992
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Dynamic evolution of MADS-box genes in extant ferns via large-scale phylogenomic analysis

open access: yesFrontiers in Plant Science
IntroductionSeveral studies of MADS-box transcription factors in flowering plants have been conducted, and these studies have indicated that they have conserved functions in floral organ development; MIKC-type MADS-box genes has been proved to be ...
Rui Zhang   +8 more
doaj   +1 more source

Biologically Significant Illinois Streams: An Evaluation of the Streams of Illinois based on Aquatic Biodiversity: Part 1 [PDF]

open access: yes, 1991
Part 1: Text. See Reference ID-1365 for Part 2: AtlasReport issued on: December 31, 1991INHS Technical Report prepared for Illinois Dept. of Conservation, Illinois Dept.
Cummings, Kevin S., Page, Lawrence M.
core  

Space-Based Genetic Cryoconservation of Endangered Species [PDF]

open access: yes, 1996
Genetic materials of endangered species must be maintained, for cryoconservation, permanently near liquid nitrogen temperatures below 77 K. Due to the instability of human institutions, permanent safety is best provided at storage sites that maintain ...
Mautner, Michael Noah
core   +1 more source

Linking 'citizen scientists' to professionals in ecological research, examples from Namibia and South Africa [PDF]

open access: yes, 2009
The use of trained members of the public (‘citizen scientists’) to help monitor and collect data in science-driven environmental research projects is not a new concept e.g.
Araya, Yoseph N.   +2 more
core  

Conservation Assessment for Sword Moss (Bryoxiphidium norvegicum (S.E. Bridel) W. Mitten) [PDF]

open access: yes, 2002
ID: 8945; issued December 31, 2002INHS Technical Report prepared for USDA, Forest Service Vienna Ranger District Shawnee National ...
Hill, Steven R.
core  

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