Results 81 to 90 of about 5,530 (230)

Keanekaragaman Vegetasi Tanaman Obat Di Hutan Pendidikan Universitas Sumatera Utara Kawasan Taman Hutan Raya Tongkoh Kabupaten Karo Sumatera Utara [PDF]

open access: yes, 2013
This study aims to determine the function and the diversities of medicinal plant that contained at the educational Forest of North Sumatra University, Bukit Barisan Forest Park, Tongkoh village, District of Karo, North Sumatera.
Batubara, R. (Ridwanti)   +2 more
core  

Carduus tenuiflorus Curtis (Asteraceae), new record for the alien flora of Chile [PDF]

open access: yes, 2016
Carduus tenuiflorus Curtis is described as a new alien plant species for Chile, whose introduction into the country is proposed around the year 1928. An identification key for species of the genus Carduus L.
Cordero, Sebastián   +2 more
core   +1 more source

An analysis of potential resistance of the phytophagous mite, Tetranychus urticae Koch (Acari: Tetranychidae) to four botanical pesticides

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2015
Description of the subject. Synthetic acaricides have been widely used to manage Tetranychus urticae. Due to the excessive use of biocide and the associated problems of pesticide resistance and environmental pollution, there is an increasing demand for ...
Attia, S.   +4 more
doaj  

Distribución y conservación de especies amenazadas en Mesoamérica, Chocó y Andes tropicales

open access: yesRevista Mexicana de Biodiversidad, 2011
En este estudio se modeló el nicho ecológico proyectado como distribución potencial de 313 especies amenazadas en Mesoamérica, Chocó y los Andes tropicales, según las listas de la UICN.
María Cecilia Londoño-Murcia   +1 more
doaj   +1 more source

On the classification of North American Chelostoma (Hymenoptera: Megachilidae) [PDF]

open access: yes, 2019
A new subgenus of Chelostoma Latreille is established for the New World group historically placed in Foveosmia Warncke.  These species, placed herein in Neochelostoma Engel & Griswold, new subgenus, are differentiated from the Palearctic ...
Engel, Michael S., Griswold, Terry
core   +2 more sources

Characterization of the Omnivorous Lygus lineolaris Diet in a Strawberry Field by Metataxonomy

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
This study employs metataxonomy to reveal the extensive omnivorous diet of Lygus lineolaris in a strawberry field, identifying 475 host taxa and confirming active ingestion across plant and prey sources. We introduce a novel coefficient of omnivory, demonstrating the species' strong herbivorous bias while highlighting its dietary flexibility and ...
Mireia Solà Cassi   +2 more
wiley   +1 more source

Distribución y conservación de especies amenazadas en Mesoamérica, Chocó y Andes tropicales Distribution and conservation of endangered species in Mesoamerica, Chocó and Tropical Andes

open access: yesRevista Mexicana de Biodiversidad, 2011
En este estudio se modeló el nicho ecológico proyectado como distribución potencial de 313 especies amenazadas en Mesoamérica, Chocó y los Andes tropicales, según las listas de la UICN.
María Cecilia Londoño-Murcia   +1 more
doaj  

Effects of elevation and microclimatic temperatures on butterfly–flower interaction networks in a Mediterranean mountain range

open access: yesInsect Conservation and Diversity, Volume 19, Issue 1, Page 93-105, January 2026.
We tested how elevation and microclimate influenced butterfly–flower interaction networks at the hottest time of year in a Mediterranean mountain range. Interactions were dominated at all sites by one or two abundant butterfly and flower species, but butterfly networks were more robust to plant species loss at higher elevations. Nectar availability may
Mario Álamo   +3 more
wiley   +1 more source

Evaluación de aceptabilidad de ensilajes de botón de oro (Tithonia diversifolia) y vinaza en una ganadería de ceba en Bel alcázar-Caldas, bajo diferentes niveles de inclusión (3,6,9%) de vinaza [PDF]

open access: yes, 2019
La evaluación de palatabilidad en animales de producción tomando como referencia la aceptabilidad, preferencia y consumo, sin embargo en algunas otras especias no usadas para producción si no de compañía, de zoológico o animales exóticos estas ...
Arias Castaño, Felipe
core  

Phenolic compounds in species of the Blechnaceae

open access: yesPlant Biology, Volume 28, Issue 1, Page 282-291, January 2026.
The occurrence of caffeic acid derivatives in 32 species of Blechnaceae revealed differences in the presence of rosmarinic acid and blechnic acid B, a novel compound in ferns. Abstract Rosmarinic acid and other caffeic and 4‐coumaric acid derivatives are widespread in land plants.
M. Ufland, M. Petersen
wiley   +1 more source

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