Results 101 to 110 of about 4,223 (201)

Forest management criteria for 12 species of Tropical Native Forests of Bolivia based on dendrochronological methods [PDF]

open access: yes, 2015
En este estudio se presenta información sobre las tasas de incremento radial, los Turnos Biológicos de Corte (TBC), los Periodos y DiámetrosÓptimos de Corte (POC y DOC) para 12 especies forestales procedentes del Cerrado Boliviano. Los resultados de este
Lopez Callejas, Lidio, Villalba, Ricardo
core   +1 more source

Comportamento fisiológico de sementes de Baraúna Schinopsis brasiliensis Engl. (Anacardiaceae) acondicionadas em diferentes embalagens e ambientes de armazenamento. [PDF]

open access: yes, 2019
O experimento foi desenvolvido no Laboratório de Análises de Sementes/Fisiologia Vegetal da Embrapa Semi-¡rido, Petrolina-PE, com o objetivo de obter informações sobre o comportamento fisiológico de sementes de Baraúna (Schinopsis brasiliensis Engl ...
DANTAS, B. F.   +4 more
core  

Heterogeneity of terrestrial bromeliad colonies and regeneration of Acacia praecox (Fabaceae) in a humid-subtropical-Chaco forest, Argentina

open access: yesRevista de Biología Tropical, 2005
In several tropical and subtropical forests, plants of the understorey act as an ecological filter that differentially affects woody species regeneration.
Ignacio M Barberis, Juan Pablo Lewis
doaj  

Caracterization of seed germination of Zephyranthes sylvatica (Mart.) Baker (Amarilidacea). [PDF]

open access: yes, 2014
Zephyranthes sylvatica is a beautiful lily, endemic from the Brazilian Caatinga. Although it has a great ornamental potential, little is known about this species, especially regarding its seeds germination process.
BARBOSA, L. G.   +6 more
core   +1 more source

Effects of condensed tannins on established populations and on incoming larvae of Trichostrongylus colubriformis and Teladorsagia circumcincta in goats [PDF]

open access: yes, 2003
The use of tanniferous plants or tannins represents one alternative approach to the control of gastrointestinal parasites in ruminants but most data have been obtained in sheep.
Andrey, FRAYSSINES   +4 more
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Measuring forest fragmentation using multitemporal remotely sensed data: three decades of change in the Dry Chaco [PDF]

open access: yes, 2014
We introduce an approach based on remotely sensed data to summarize forest fragmentation over time, which specifically accounts for the interdependencies between landscape composition and configuration changes. The proposed method consists of five steps:
Acosta, Alicia T. R.   +5 more
core   +2 more sources

Litterfall and organic matter decomposition in a seasonal forest of the eastern Chaco (Argentina)

open access: yesRevista de Biología Tropical, 2001
Amazonia and the Gran Chaco are the largest phytogeographic units of the Neotropical Region. The Forest Wedge of the Santa Fe province of Argentina is the southernmost part of the Eastern Chaco, and there are three main types of forest, 1) the mixed ...
Nélida J. Carnevale, Juan Pablo Lewis
doaj  

Sinopsis de la familia Anacadiaceae [PDF]

open access: yes, 2018
La familia de las Anacardiaceae está compuesta por árboles y arbustos perennifolios o caducifolios, y lianas. Las hojas suelen ser alternas, rara vez opuestas, generalmente pinnadas compuestas, aunque en algunas especies son simples.
Cabezas Savariego, Sandra
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Estructura y dinámica de bosques de palo santo en el Chaco Seco [PDF]

open access: yes, 2018
El conocimiento de la estructura y la dinámica de las poblaciones de Bulnesia sarmientoi ("palo santo") es necesario para una gestión forestal capaz de conservar la especie, asegurar la producción maderera de alta calidad y preservar los servicios ...
Azcona, Maximiliano   +4 more
core   +1 more source

Biogeographic analysis and key to the genera of ferns and lycophytes of Mburucuyá National Park, Corrientes, Argentina [PDF]

open access: yes, 2013
The diversity of ferns and lycophytes of Corrientes province, Argentina is not well understood. Our fi eld work in the Mburucuyá National Park in Corrientes province as well as a literature review fi nds 29 genera and 48 infrageneric taxa of ferns and ...
de la Sota, Elias Ramon   +2 more
core   +1 more source

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