Results 31 to 40 of about 3,267 (186)

Contribució de la paleoecologia a l’estudi dels territoris d’alta muntanya: la serra de Gredos (Sistema Central) com a model

open access: yesTreballs d'Arqueologia, 2023
En el present treball es duu a terme una recopilació de la història de la vegetació de la serra de Gredos (Sistema Central), entre el Neolític i l’Edat mitjana, a partir de registres pol·línics procedents de jaciments arqueològics i torberes.
José Antonio López-Sáez
doaj   +1 more source

Floral Resources and Nesting Requirements of the Ground‐Nesting Social Bee, Lasioglossum malachurum (Hymenoptera: Halictidae), in a Mediterranean Semiagricultural Landscape

open access: yesPsyche: A Journal of Entomology, Volume 2010, Issue 1, 2010., 2010
In order to adopt correct conservation strike plans to maintain bee pollination activity it is necessary to know the species′ resource utilisation and requirements. We investigated the floral resources and the nesting requirements of the eusocial bee Lasioglossum malachurum Kirby at various sites in a Mediterranean landscape.
Carlo Polidori   +5 more
wiley   +1 more source

Modern processes of palynomorph deposition at lakes of the northern region of the Rio de Janeiro State, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2010
Palynological analysis of pollen, Pteridophyta spores and algae deposited in the superficial sediments at Lagoa de Cima and Lagoa do Campelo Lakes, located in the north of Rio de Janeiro state, was used to determine the spatial variation of the ...
Cynthia F.P. da Luz   +2 more
doaj   +1 more source

Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic [PDF]

open access: yes, 2009
AIM  The aim of this work was to identify the main changes in the flora and vegetation of the Iberian Peninsula over the Cenozoic Era, to record the disappearance of taxa associated with these changes and to determine the influence of climate and human ...
Barrón López, Eduardo   +3 more
core   +2 more sources

palinoFLORAS

open access: yesPaubrasilia, 2018
Descrevemos a criação da Palinoteca da Floresta Atlântica Sul-Baiana (palinoFLORAS), uma coleção botânica associada ao Jardim Botânico FLORAS. Atualmente, a palinoFLORAS conta com três laminários em construção, sendo 54 registros da coleção de referência,
Jaílson Santos de Novais   +3 more
doaj   +1 more source

The pile dwelling of Tombola di Cerea (Verona) (1999 excavation)

open access: yesIpoTESI di Preistoria, 2018
The pile dwelling was discovered in 1955 in the valley of the river Menago, just a few hundred meters south of the settlement of Tombola di Cerea (VR). A first excavation was carried out that very year by Francesco Zorzi, director of the Museo Civico di ...
Luciano Salzani   +10 more
doaj   +1 more source

Morfologia polínica de espécies de Chrysophyllum L. (Sapotaceae) do Estado da Bahia, Brasil

open access: yesPaubrasilia, 2021
A morfologia polínica de nove espécies de Chrysophyllum (Sapotaceae) foi  descrita sob a microscopia de luz. Os grãos de pólen foram coletados de amostras herborizadas, acetolisados, montados entre lâminas e lamínulas, analisados quantitativa e ...
Maria Antonia Correia Sento Sé de Souza   +2 more
doaj   +1 more source

Late Quaternary palaeoenvironmental evolution and sea level oscillation of Santa Catarina Island (southern Brazil) [PDF]

open access: yesBiogeosciences, 2023
Sea level oscillation during the Quaternary played a major role in the geomorphology and vegetation dynamics of coastal areas in southern Brazil, encompassing ecosystems that often have a unique biodiversity.
L. A. Kuhn   +4 more
doaj   +1 more source

Pollen grain morphology of Fabaceae in the Special Protection Area (SPA) Pau-de-Fruta, Diamantina, Minas Gerais, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2013
The presented paper considered the pollen morphology of thirteen species belonging to seven genera of the Fabaceae family occurring in the Pau-de-Fruta Special Protection Area (SPA), Diamantina, state of Minas Gerais, Brazil.
CYNTHIA F.P. DA LUZ   +4 more
doaj   +1 more source

Bancos de Esporos de Samambaias e Licófitas: uma Revisão [PDF]

open access: yesAnuário do Instituto de Geociências, 2013
Os esporos de samambaias e licófitas podem ser depositados no solo e podem ser levados para o seu interior por mecanismos diversos, em geral para as camadas superficiais.
Luciano Mauricio Esteves
doaj  

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