Results 41 to 50 of about 95,834 (239)

Harnessing the benefits of herbarium specimen digitisation for inferring recent and ongoing plant extinctions

open access: yesNew Phytologist, EarlyView.
Summary Evidence for the ongoing biodiversity crisis rests on assessment of a small fraction of described species, with major knowledge gaps for most organisms, including plants. Here, we highlight how digitised herbarium specimens can be used to accelerate and improve estimates of recent and ongoing plant extinctions.
Aelys M. Humphreys   +4 more
wiley   +1 more source

Efecto del riego sobre la calidad, desarrollo y producción de biomasa a dos edades de corte en Cenchrus purpureus vc. CT-115 para la región central del estado de Veracruz

open access: yesAIA Avances en Investigación Agropecuaria, 2019
En un diseño en bloques al azar con arreglo factorial 2 x 2, se estudió la calidad, desarrollo y acumulación de biomasa del pasto Cenchrus purpureus vc. CT-115.
Cynthia O Retureta González   +5 more
doaj  

Beras sebagai Komoditi Utama dalam Perdagangan Maritim di Makassar [PDF]

open access: yes, 2018
Penelitian ini bertujuan untuk melihat keterlibatan Kerajaan Gowa-Tallo dalam lintas perdagangan maritim sebagai pelabuhan transito. Runtuhnya Selat Malaka mengantarkan Kerajaan Gowa-Tallo sebagai kerajaan terbesar di wilayah timur Indonesia.
Sritimuryati, S. (Sritimuryati)
core  

Photosynthetic primary production in the Mesoproterozoic

open access: yesNew Phytologist, EarlyView.
Summary The Mesoproterozoic atmosphere had more CO2 and less O2 than at present. While the upper ocean was oxygenated, the deeper ocean was euxinic or ferruginous. Primary production was performed by Chlorobia, Cyanobacteria, Proteobacteria, and Archaeplastida.
Patricia Sánchez‐Baracaldo   +1 more
wiley   +1 more source

Crecimiento secundario anómalo de tallo y raíz de Urera altissima (Urticaceae) de la provincia de Tucumán, Argentina

open access: yesLilloa, 2014
Ortiz, Miguel; Anahi Simoni; Matias Armella; Ana C. Luque; Mario A. Debes; Patricia L. Albornoz; Marta E. Arias. 2014. “Crecimiento secundario anómalo de tallo y raíz de Urera altissima (Ur ticaceae) de la provincia de Tucumán, Argentina”. Lilloa 51 (2).
Miguel Ortiz   +5 more
doaj  

Developmental evidence of acrocarpy in Hedwigia ciliata (Musci: Hedwigiaceae) [PDF]

open access: yes, 1990
The growth habit of the Hedwigiaceae has been described variously as acrocarpous, pseudopleurocarpous, or pleurocarpous. Anatomical evidence presented here indicates that Hedwigia ciliata is acrocarpous. The archegonia are terminal on the main shoot, and
De Luna, Efrain
core  

The vesicle trafficking R‐SNARE VAMP714 connects auxin responses, ROS and ion homeostasis in Arabidopsis under salt stress

open access: yesNew Phytologist, EarlyView.
Network of VAMP714‐dependent interactions during salt stress. Summary Plant responses to salt stress include an altered root architecture mediated by ion imbalances, reactive oxygen species (ROS) accumulation, and altered hormonal responses. Auxin is implicated in these processes.
Jialei Sun   +3 more
wiley   +1 more source

Morfología y anatomía de dos variedades de Begonia cucullata (Begoniaceae) comercializadas como «agrial» en Paraguay

open access: yesLilloa, 2012
Deguen, Rosa; María I. Mercado; María V. Coll Aráoz; Ana I. Ruiz; Graciela I. Ponessa. 2012. “Morfología y anatomía de dos variedades de Begonia cucullata (Begoniaceae) comercializadas como ‘agrial’ en Paraguay”. Lilloa 49 (2). Se describe la morfología
Rosa Deguen   +4 more
doaj  

Key sources of uncertainty in process‐based modeling of live fuel moisture content

open access: yesNew Phytologist, EarlyView.
Location of the selected live fuel moisture content (LFMC) sampling sites. Summary Process‐based models that mechanistically represent water‐carbon balances in the atmosphere‐soil–plant continuum are an attractive tool for monitoring live fuel moisture content (LFMC) dynamics, a key variable when assessing fire danger.
Rodrigo Balaguer‐Romano   +10 more
wiley   +1 more source

Morfología y anatomía foliar y caulinar de Scutia buxifolia (Rhamnaceae)

open access: yesLilloa, 2017
Borri, Karina A.; Marcelo L. Wagner; Beatriz G. Varela. 2017. “Morfología y anatomía foliar y caulinar de Scutia buxifolia (Rhamnaceae)”. Lilloa 54 (1).
Karina A. Borri   +2 more
doaj  

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