Results 51 to 60 of about 175,920 (189)

Resinas naturales de especies vegetales mexicanas: usos actuales y potenciales

open access: yes, 2015
The current state of information on the resin producer Mexican flora, as well as its present and potential applications are reviewed. Plant exudates are regaining their place in the international market and Mexico has a rich coniferous flora, tropical ...
J. Carranza, M. Alejandro
semanticscholar   +1 more source

ESPECIES VEGETALES EN PELIGRO, SU DISTRIBUCIÓN Y ESTATUS DE CONSERVACIÓN DE LOS ECOSISTEMAS DONDE SE PRESENTAN

open access: yesRevista Mexicana de Ciencias Forestales, 2014
En México, la norma oficial mexicana (NOM-059-SEMARNAT-2010) integra especies de flora y fauna silvestres en riesgo, pero no especifica su distribución geográfica.
M. H. Royo-Márquez   +2 more
semanticscholar   +1 more source

Informing spatial conservation prioritization with species’ traits

open access: yesConservation Biology, EarlyView.
Abstract New Guinea, the most botanically diverse island on the planet, is the location for one of the boldest conservation initiatives. The Manokwari Declaration aims to achieve 70% conservation designation for the Bird's Head Peninsula. This is 40% higher than the 2022 Global Biodiversity Framework target.
Liam A. Trethowan   +27 more
wiley   +1 more source

Contenido de azufre, aluminio, hierro y manganeso foliar en especies vegetales cultivadas en suelo sulfatado ácido

open access: yes, 2015
Los suelos sulfatados acidos (SSA) se caracterizan por contener altas cantidades de minerales ricos en hierro y azufre, que al ser aireados, se oxidan y forman horizontes extremadamente acidos, lo cual afecta el crecimiento de las plantas y genera una ...
F. Bernal   +2 more
semanticscholar   +1 more source

Differences in characteristics between naturalized threatened plants and other threatened plants

open access: yesConservation Biology, EarlyView.
Abstract Many non‐native plant species introduced by humans have become naturalized. At the same time many species are threatened in their native range. However, the number of plant species threatened in their native range that are naturalized elsewhere remains unknown.
Weihan Zhao   +10 more
wiley   +1 more source

OBTENCION OF ESSENTIAL OILS AND PECTINS FROM BY-PRODUCTS OF CITRUS JUICE

open access: yesVitae, 2009
Essential oils and pectins are obtained from the mandarin, orange, grapefruit and pommelo by-products. The essential oils are isolated by microwave-assisted hydrodistillation.
Jennifer P. ROJAS Ll.   +2 more
doaj  

Home ranges, feeding sites, and daily movement behavior of the highly threatened Livingstone's fruit bat revealed through GPS tracking

open access: yesConservation Science and Practice, EarlyView.
Livingstone's fruit bat GPS tracks during day‐ and nighttime on Anjouan, Comoros, identifying likely feeding sites. Abstract The highly threatened Livingstone's fruit bat, Pteropus livingstonii, is endemic to only two islands of the Union of the Comoros, a country with some of the highest deforestation rates worldwide.
Isabella Mandl   +8 more
wiley   +1 more source

Actividad inhibitoria de la acetilcolinesterasa por extractos de 18 especies vegetales nativas de Guatemala usadas en el tratamiento de afecciones nerviosas

open access: yesRevista Científica, 2013
Los síndromes neurodegenerativos producen deterioro de la memoria y conducta. Una de las patologías más frecuentes es la Enfermedad de Alzheimer, asociada a la disminución de los niveles del neurotransmisor acetilcolina (AC), consecuencia del aumento en ...
D. Ortiz   +7 more
semanticscholar   +1 more source

Seeing herbaria in a new light: leaf reflectance spectroscopy unlocks trait and classification modeling in plant biodiversity collections

open access: yesNew Phytologist, EarlyView.
Summary Reflectance spectroscopy is a rapid method for estimating traits and discriminating species. Spectral libraries from herbarium specimens represent an untapped resource for generating broad phenomic datasets across space, time, and taxa. We conducted a proof‐of‐concept study using trait data and spectra from herbarium specimens up to 179 yr old,
Dawson M. White   +6 more
wiley   +1 more source

Beyond species means – the intraspecific contribution to global wood density variation

open access: yesNew Phytologist, EarlyView.
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fabian Jörg Fischer   +105 more
wiley   +1 more source

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