Results 31 to 40 of about 38,517 (272)

Specimens at the Center: An Informatics Workflow and Toolkit for Specimen-level analysis of Public DNA database data [PDF]

open access: yes, 2016
Major public DNA databases — NCBI GenBank, the DNA DataBank of Japan (DDBJ), and the European Molecular Biology Laboratory (EMBL) — are invaluable biodiversity libraries. Systematists and other biodiversity scientists commonly mine these databases for
Brown, Bethany H.   +8 more
core   +1 more source

A multiple profile approach to the palynological reconstruction of Norse landscapes in Greenland's Eastern Settlement [PDF]

open access: yes, 2014
Acknowledgments The Leverhulme Trust is thanked for financial support. Gordon Cook provided radiocarbon dates. Thanks are also due to Andy McMullen for botanical identifications and assistance in the field, and to Sikuu Motzfeld for hospitality during ...
Edwards, Kevin J   +2 more
core   +1 more source

Centennial-scale vegetation and North Atlantic Oscillation changes during the Late Holocene in the southern Iberia [PDF]

open access: yes, 2016
High-reso CE to lution pollen analysis, charcoal, non-pollen palynomorphs and magnetic susceptibility have been analyzed in the sediment record of a peat bog in Sierra Nevada in southern Iberia.
Anderson, R.S.   +7 more
core   +1 more source

Floristic catalog and keys for identification of species of Cyperaceae from the States of Pemambuco and Paraiba (Northeastern Brazil)

open access: yesAnales del Jardín Botánico de Madrid, 1997
The present work presents the results of our studies of the family Cyperaceae in the northeastern Brazilian States of Pernambuco and Paraiba. The introduction includes a historical synopsis of previous work and summarizes the main types of vegetation ...
Modesto Luceño   +2 more
doaj   +1 more source

Anthropogenic Causes of Peatland Species Vanishing in the Glinno Ługi Area [PDF]

open access: yes, 2011
The paper presents information about the occurrence and state of preservation of valuable peat-bog species as well as about the threats facing them. The anthropopressure-related changes which occurred in the habitat of the Glinno Ługi peatland and their ...
Komperda, Agata, Woziwoda, Beata
core   +1 more source

Systematic and Ecological-Cenotic Analysis of the Cyperaceae Family of the Chechen Republic [PDF]

open access: yesBIO Web of Conferences, 2022
In this communication, a systematic and ecology-coenotical analysis of representatives of the Cyperaceae family of the Chechen Republic is given. A complete list of genera of the studied family of the Chechen Republic is specified.
Iriskhanova Zazu   +2 more
doaj   +1 more source

High-resolution palynology reveals the land-use history of a Sami renvall in northern Sweden [PDF]

open access: yes, 2016
Acknowledgements: This research was funded by the Leverhulme Trust through the Footprints on the Edge of Thule project, and was written under the auspices of the ERC-funded project Arctic Domus.
Aronsson, Kjell-Åke   +3 more
core   +2 more sources

Diversity of plant communities and leaf heavy metal content at Luiswishi copper/cobalt mineralization, Upper Katanga, Dem. Rep. Congo [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 1999
The site has been visited in 1926 by Walter Robyns, but was never studied in detail despite its location near Lubumbashi and its differences from the famous site of the ""Mine de l'Etoile"".
Malaisse F., Ruelle S., Baker A.J.M.
doaj  

Composição e dinâmica da biomassa aérea após a queima em savana gramíneo-lenhosa no Pantanal Composition and aerial biomass dynamics after burning of a grassy-woody savanna in the Pantanal wetlands

open access: yesPesquisa Agropecuária Brasileira, 2000
O objetivo deste estudo foi avaliar a composição e dinâmica da biomassa aérea após a queima de uma savana gramíneo-lenhosa no Pantanal. Foram coletados dados mensais de freqüência de espécies, biomassa aérea e cobertura do solo durante 11 meses em uma ...
EVALDO LUIS CARDOSO   +3 more
doaj   +1 more source

Sensitivity of the grassland-forest ecotone in East African open woodland savannah to historical rainfall variation [PDF]

open access: yes, 2014
. Fossil pollen records provide key insight into the sensitivity of terrestrial ecosystems to climate change at longer time scales. However, tracing vegetation response to relatively modest historical climate fluctuations is often complicated by the ...
Gelorini, Vanessa   +2 more
core   +1 more source

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