Results 11 to 20 of about 851,557 (349)

High-resolution coproecology: Using coprolites to reconstruct the habits and habitats of New Zealand’s extinct upland Moa (Megalapteryx didinus) [PDF]

open access: yes, 2005
Knowledge about the diet and ecology of extinct herbivores has important implications for understanding the evolution of plant defence structures, establishing the influences of herbivory on past plant community structure and composition, and identifying
Wood, Jamie R.   +5 more
core   +4 more sources

Testing Ecological Theory with Lianas [PDF]

open access: yes, 2018
Lianas constitute a diverse polyphyletic plant group that is advancing our understanding of ecological theory. Specifically, lianas are providing new insights into the mechanisms that control plant distribution and diversity maintenance.
Andrewartha HG   +13 more
core   +2 more sources

Short- and Mid-Term Spatiotemporal Diversity Patterns of Post-Fire Insect-Pollinated Plant Communities in the Mediterranean

open access: yesLand, 2023
In the Mediterranean, one of the most fire-prone regions in the world, wildfires are considered a key factor in vegetation distribution, structure, and function. Severe or frequent fires can lead to homogenized plant communities and habitat fragmentation
Georgios Nakas   +2 more
doaj   +1 more source

Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns [PDF]

open access: yes, 2016
publisher: Elsevier articletitle: Burmese amber fossils bridge the gap in the Cretaceous record of polypod ferns journaltitle: Perspectives in Plant Ecology, Evolution and Systematics articlelink: http://dx.doi.org/10.1016/j.ppees.2016.01.003 ...
Alexander R. Schmidt   +75 more
core   +1 more source

Ethics of Plant Breeding: The IFOAM Basic Principles as a Guide for the Evolution of Organic Plant Breeding [PDF]

open access: yes, 2010
The basic values of organic agriculture is laid down in the IFOAM four basic principles: the principle of health, the principle of ecology, the principle of fairness and the principle of care.
Lammerts Van Bueren, E.
core   +7 more sources

Little ecological divergence associated with speciation in two African rain forest tree genera [PDF]

open access: yes, 2011
Background: The tropical rain forests (TRF) of Africa are the second largest block of this biome after the Amazon and exhibit high levels of plant endemism and diversity.
Chatrou, Lars   +3 more
core   +4 more sources

Flood and fire affect the soil seed bank of riparian forest in the Pantanal wetland

open access: yesRodriguésia, 2020
Flood and fire can harm plants but they can have survival strategies, such as the seed bank. We aimed to determine the influence of fire and flood on the richness, abundance and diversity of the seed bank.
Thiago da Costa Kohagura   +4 more
doaj   +1 more source

Examination, optimization and application of automatic cryogenic vacuum distillation system

open access: yesShenzhen Daxue xuebao. Ligong ban, 2023
Cryogenic extraction of water from plant and soil samples constitutes a critical element in isotope eco-hydrological studies. This study was undertaken to examine the stability and reliability of a new generation of water extraction technology based on ...
JIAN Jing, WEN Wei, SONG Xin
doaj   +1 more source

Identifying spectral features of characteristics of Sphagnum to assess the remote sensing potential of peatlands: A case study in China [PDF]

open access: yesMires and Peat, 2020
Sphagnum mosses are the dominant species of natural peatlands, which are important in the global carbon cycle. There is increasing interest in the use of sensors mounted on satellites or unmanned aerial vehicles in association with management of the ...
Y. Pang, Y. Huang, Y. Zhou, J. Xu, Y. Wu
doaj   +1 more source

Insect prophenoloxidase: the view beyond immunity

open access: yesFrontiers in Physiology, 2014
Insect prophenoloxidase (PPO) is an important innate immunity protein due to its involvement in cellular and humoral defense. It belongs to a group of type-3 copper-containing proteins that occurs in almost all organisms.
Anrui eLu   +7 more
doaj   +1 more source

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