Results 91 to 100 of about 115,189 (308)

Abiotic retention of nitrogen and dissolved organic matter by forest mineral soils [PDF]

open access: yes, 2006
The effect of NO3- deposition on NH4 +, DON, and DOC retention as well as abiotic NO3 - retention via the hypothesized ferrous wheel mechanism was examined in oxic and anoxic tropical and oxic temperate soils using sorption isotherm experiments ...
Watanabe, Naoko
core   +2 more sources

Long‐term trends in parasite diversity and infection levels: approaches and patterns

open access: yesBiological Reviews, EarlyView.
ABSTRACT Parasites exist in every ecosystem, affecting nearly all organisms and playing a complex role in human societies. On the one hand, they contribute substantially to biodiversity and support ecosystem stability by performing essential ecological functions.
Cyril Hammoud   +8 more
wiley   +1 more source

Ground Beetle Range Extensions: Six New Ohio Records (Coleoptera: Carabidae) [PDF]

open access: yes, 2018
We newly report six ground beetles from Ohio, comprising Badister parviceps, Stenolophus dissimilis, Harpalus somnulentus, Pentagonica fiavipes, Agonum albicrus, and Lebia ...
Horn, David J   +2 more
core   +2 more sources

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Registros de arañas epigeas en Bahía Blanca, en la región templada de Argentina [PDF]

open access: yes, 2016
Ecological surveys of diversity and seasonal patterns of spiders in relation with cadavers have rarely been conducted, despite the high potential species diversity and abundance of spiders.
Zanetti, Noelia Inés
core  

Developing patient-centred care: an ethnographic study of patient perceptions and influence on quality improvement. [PDF]

open access: yes, 2015
BACKGROUND: Understanding quality improvement from a patient perspective is important for delivering patient-centred care. Yet the ways patients define quality improvement remains unexplored with patients often excluded from improvement work.
Marston, Cicely, Renedo, Alicia
core   +2 more sources

Early evolutionary history of the seed

open access: yesBiological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman   +2 more
wiley   +1 more source

BASIC SPECIFIC GRAVITY AND ANATOMY OF Peltophorum dubium WOOD AS A FUNCTION OF PROVENANCE AND RADIAL POSITION

open access: yesRevista do Instituto Florestal, 2015
We studied the wood of Peltophorum dubium (Spreng.) Taub. (Fabaceae), popularly known in Brazil as canafístula, from two seed provenances with different climates. The trees were planted in a third place and cut when 28 years old. Based on differences in
Israel Luiz de Lima   +5 more
doaj  

Colour of tropical wood and discolouration due to simulated sunlight

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2010
This study investigated the wood surface discolouration due to simulated sunlight of three tropical woods native in South America. These woods are commonly used in the Czech Republic.
Jana Baar, Vladimír Gryc
doaj   +1 more source

Deadwood in logged-over Dipterocarp forests of Borneo [PDF]

open access: yes, 2016
Deadwood is an important stock of carbon in logged-over Dipterocarp forests but still remains poorly studied. Here we present the study of deadwood in logged-over Dipterocarp forests using two common approaches: plot-based approach and line-intersect ...
Rozak, Andes   +2 more
core  

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