Results 31 to 40 of about 40,046 (210)

Replicability of data collected for empirical estimation of relative pollen productivity [PDF]

open access: yes, 2016
The effects of repeated survey and fieldwork timing on data derived from a recently proposed standard field methodology for empirical estimation of relative pollen productivity (RPP) have been tested.
Bunting, M. Jane   +2 more
core   +2 more sources

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

Durrington Walls to West Amesbury by way of Stonehenge: a major transformation of the Holocene landscape [PDF]

open access: yes, 2012
A new sequence of Holocene landscape change has been discovered through an investigation of sediment sequences, palaeosols, pollen and molluscan data discovered during the Stonehenge Riverside Project.
Allen   +54 more
core   +1 more source

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  

Cyperaceae.

open access: yes
Published as part of Weakley, Alan S., LeBlond, Richard J., McMillan, Patrick D., Sorrie, Bruce A., Poindexter, Derick B., Fuller, J. Brandon, Bridges, Edwin L., Budach, Brett J., Carr, Susan C., Crowl, Andrew A., Manos, Paul S., Fritsch, Peter W., Orzell, Steve L., Wipff, Joseph K., Messec, Lilly Anderson, Dellinger, Bob, Ungberg, Eric A., Yawn, Noah ...
Augustissimi Regis Guilielmi   +1 more
  +6 more sources

Natural and anthropogenic forest fires recorded in the Holocene pollen record from a Jinchuan peat bog, northeastern China [PDF]

open access: yes, 2008
Pollen and charcoal particles from a Jinchuan peat (northeastern China) were examined to investigate the fire origin and interaction between climate, vegetation, fire and human activity during the Holocene.
Chu, G   +5 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

Plant remains from Middle Bronze Age round houses in north Cork [PDF]

open access: yes, 2014
.pdf file with report describing analysis of archaeobotanical material from Ballynamona 2 and Mitchelstown 1 in north Cork ...
Johnston, Penny
core   +1 more source

Corrigendum to “Pollen-based paleoenvironmental and paleoclimatic change at Lake Ohrid (south-eastern Europe) during the past 500 ka” published in Biogeosciences, 13, 1423–1437, 2016 [PDF]

open access: yes, 2018
In this corrigendum we report an updated pollen record from the Lake Ohrid DEEP site spanning the past 500 ka whereby we have reprocessed and re-analyzed 104 samples affected by chemical procedure problems that occurred in one palynological laboratory ...
Bertini, A.   +16 more
core   +1 more source

Rhynchospora y Carex (Cyperaceae) en los Andes de Lambayeque, Perú

open access: yesRevista Peruana de Biología
Se reportan por primera vez un total de cuatro especies de Cyperaceae del género Rhynchospora (Rhynchosporeae) y cinco de Carex (Cariceae) como integrandes de la flora del departamento de Lambayeque, al nororeste del territorio peruano, ocupando las ...
Maria Perez Chapoñan   +2 more
doaj   +1 more source

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