Results 51 to 60 of about 8,439 (206)

Friends or foes? Polyploidy and competition in a grassland geophyte

open access: yesOikos, Volume 2026, Issue 2, February 2026.
Previous studies have suggested polyploids may possess a competitive advantage over diploids, due to their larger size, increased vigour or ability to better respond to abiotic stress. However, few studies have tested the effect of polyploidy on competitive ability directly, and only relatively recently has this oversight begun to be addressed. Here we
Damian Vaz de Sousa   +3 more
wiley   +1 more source

Flora do Ceará, Brasil: Oxalidaceae

open access: yesRodriguésia
Resumo Esse estudo objetivou o registro e a atualização da distribuição geográfica das espécies de Oxalidaceae no estado do Ceará, dando continuidade ao “Projeto Flora do Ceará”.
Maria Iracema Bezerra Loiola   +4 more
doaj   +1 more source

Catálogo das plantas vasculares citadas para a ilha de Santa Maria [PDF]

open access: yes, 2010
XIV Expedição Científica do Departamento de Biologia - Santa Maria 2009.Foi construído um catálogo das plantas vasculares citadas para a ilha de Santa Maria com base nas obras de síntese de Trelease (1897), Palhinha (1966), Franco (1971, 1984), Franco &
Cabral, Natália   +2 more
core  

An Analysis of Vegetation and Microbiome Recovery in Abandoned Agricultural Fields

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
This study investigated the natural recovery of biodiversity in formerly cultivated fields in the Eastern Cape, South Africa, by comparing plant and bacterial communities across different successional ages. We found that diversity levels in old fields began to resemble natural conditions for both community types, indicating a positive recovery ...
Heike Oosthuysen   +3 more
wiley   +1 more source

New records of host plants of Bactrocera carambolae Drew & Hancock, 1994 (Diptera: Tephritidae) in Cooperative Republic of Guyana

open access: yesEntomoBrasilis
Specimens of Bactrocera carambolae Drew & Hancock, 1994 (Diptera: Tephritidae) were obtained from fruits of Averrhoa bilimbi L., Averrhoa carambola L. (Oxalidaceae), Malpighia emarginata DC. (Malpighiaceae), and Psidium guajava L.
José Victor Torres Alves Costa   +7 more
doaj   +1 more source

Morfología del polen de especies poliníferas en los municipios Mara y Maracaibo del estado Zulia, Venezuela

open access: yesAgroecosistemas, 2021
Se estudió e ilustró la morfología polínica de 29 especies poliníferas, distribuidas en 19 familias de angiospermas de los municipios Mara y Maracaibo del estado Zulia, Venezuela.
Figueroa, Víctor   +4 more
doaj  

Keanekaragaman Tumbuhan Dan Potensinya Di Cagar Alam Tangale, Gorontalo [PDF]

open access: yes, 2009
Plant inventory has been carried out in Tangale Nature Reserves in GorontaloProvince, North Sulawesi (2002). This area covers about 113 ha. About 250species have been listed from this area, and 72 species of them utilized by thelocal people who leave in ...
Djarwaningsih, T. (Tutie)   +2 more
core  

Preliminary Ecological Assessment of Waller Creek [PDF]

open access: yes, 1975
This report assesses the ecological character of Waller Creek. This includes a general description, its physical setting, vegetation and habitat descriptions, ecological value indexes, and other ecological metrics.Waller Creek Working ...
Espey, Huston and Associates, Inc.   +1 more
core   +1 more source

Oviposition Activity of an Invasive Fruit Fly Species at Different Densities in Laboratory

open access: yesEntomologia Experimentalis et Applicata, Volume 174, Issue 1, Page 45-52, January 2026.
Bactrocera carambolae Drew & Hancock, 1994 (Diptera: Tephritidae) is a major fruit fly pest affecting Brazil's international fruit trade due to phytosanitary restrictions. Although currently restricted to northern Brazil, little is known about its oviposition behavior. In this study, we investigated the daily oviposition pattern of B.
Fábio L. Galvão‐Silva   +7 more
wiley   +1 more source

Strip Crops and Intercrops Outperform Crop Rotations for Weed Management Under Conservation Agriculture in Zimbabwe

open access: yesWeed Research, Volume 66, Issue 1, January/February 2026.
ABSTRACT High weed infestation remains a major constraint on crop productivity for smallholder farmers practising Conservation Agriculture (CA). Fewer, more diverse weeds are desirable to reduce competition and provide ecosystem services. Crop diversification can help, but it is not yet clear which species combinations and layouts are most effective ...
Betty Rutendo Masamba   +4 more
wiley   +1 more source

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