Sand dune
Phylogeography of the sand dune ant Mycetophylax simplex along the Brazilian Atlantic Forest coast: remarkably low mtDNA diversity and shallow population structure
... endemic sand dune ant Mycetophylax simplex across its known range along the Brazilian coast, with the aim of contributing to the understanding of alternative phylogeographic ...
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Lizard assemblage from a sand dune habitat from southeastern Brazil: a niche overlap analysis
... Communities are structured by interactions of historical and ecological factors, which infl uence the use of different resources in time and space. We acquired data on time of activity, microhabitat use and diet of a ...
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Short Communication A nuclear DNA based phylogeny of endemic sand dune ants of the genus Mycetophylax (Emery, 1913): How morphology is reflected in molecular data
... the sand dune environments of the Atlantic ...The sand dune fields along the coast were modified due to marine introgressions and regressions, which could have created islands that isolated ...
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Structure of bee-flower system in the coastal sand dune of Abaeté, northeastern Brazil
... ABSTRACT. Structure of bee-flower system in the coastal sand dune of Abaeté, northeastern Brazil. For twelve months (from January to December of 1996) we investigated bee-flower interactions in a sea ...
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Responses of woody species to spatial and temporal ground water changes in coastal sand dune systems
... costal dune systems, studies concerning the responses of vegetation to ground water (GW) availability variations, particularly in Mediterranean regions, are ...a sand dune ...meso-mediterranean ...
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FROM BARCHAN TO DOMIC SHAPE: EVOLUTION OF A COASTAL SAND DUNE IN NORTHEASTERN BRAZIL BASED ON GPR SURVE
... dome-shaped sand dune is reconstructed based on GPR data ...studied dune is located near S˜ao Bento do Norte and Caic¸ara do Norte towns, in the northern coastline of Rio Grande do Norte State, ...
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Comparison of two Satellite Imaging Platforms for Evaluating Sand Dune Migration in the Ubari Sand Sea (Libyan Fazzan)
... strength. Sand dune movements can be effectively monitored through the comparison of multi-temporal satellite ...on sand dunes within the Ubari Sand Sea (Libya). Sand dune ...
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Plant species and habitat structure in a sand dune field in the Brazilian Caatinga: a homogeneous habitat harbouring an endemic biota
... a sand dune field in the Brazilian Caatinga: a homogeneous habitat harbouring an endemic ...One dune habitat in the semi-arid Caatinga Biome, rich in endemisms, is described based on plant species ...
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Fine-scale patterns of vegetation assembly in the monitoring of changes in coastal sand-dune landscapes
... on dune ecosystem composition, structure and function is dependent on the level of understanding of interactions among species and between these and their environment, such as the processes related to sand ...
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Frog species richness, composition and β-diversity in coastal Brazilian restinga habitats
... The area along the coast of Brazil has been inten- sively occupied and modified by man in the last five cen- turies and today it is the most densely occupied region of the country (Rocha et al., 2003; 2005). Coastal ...
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História evolutiva das espécies do gênero Mycetophylax Emery, 1913 (Hymenoptera: Formicidae): formigas endêmicas de restinga
... the sand dune environments on the Atlantic Coast of Brazil and their geological history could have acted as a trigger for chromosomal rearrangements and the subsequent speciation in these ...
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Synthesis of the population fluctuations -
... coastal sand dunes (Moldenke & Smith ...this sand dune, flowering occurs from July to January, with a peak in November, and fruiting starts in ...
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Microtopographic variation in soil respiration and its controlling factors vary with plant phenophases in a desert–shrub ecosystem
... shrub-dominated sand dune. The sand dune was of typical size for the study area, with a (i) height of ...the sand dune ...
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Key words: bee’s abundance; bee diversity; community structure, restinga and dunes, morpho-functional groups,
... The vegetation covering the dunes of Abaeté repre- sents a distinct type of sand dune vegetation, and was clas- sified by Eiten (1968) as “Evergreen broadleaf open clumped scrub”, i.e. a type of perennial ...
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Interpretation of the stiffness and permeability of Sand-Kaolin mixtures in the framework of homogenization
... uncemented sand or remoulded kaolin recompacted in the laboratory, the decrease in void volume during compaction is pro- portional to the logarithm of the effective stress σ ′ ...
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Behavior of fresh-laid mortars composed of crushed limestone sand and natural sand
... crushed sand in coating ...natural sand, which will be used as reference trace, the second composition presented 80% natural sand and 20% limestone rock crushed sand, the third one 60% natural ...
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ACTIVITY, HABITAT UTILIZATION, FEEDING BEHAVIOUR, AND DIET OF THE SAND MORAY Gymnothorax ocellatus (ANGUILLIFORMES, MURAENIDAE) IN THE SOUTH WESTERN ATLANTIC
... A total of 91 hours of underwater observations were made during scuba (85 h) and skin diving (6 h) over bottoms 5 meters deep or shallower. Data on activity period, habitat use, and feeding behavior were obtained during ...
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Annual dune plant communities in the Southwest coast of Europe
... the dune community in the center of Portugal is different from that occurring in the northwest of the Iberian Peninsula (Table I, the bold values mean the type of the association and the values inside the box are ...
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Técnica de Realidade Virtual para manipulação e deformação de superfícies NURBS
... São componentes da interface gráfica GUI, Figura 22, o Ambiente Virtual formado pelo painel de controle e uma superfície plana gerada no White-Dune e exportada p[r] ...
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Life Cycle and Fecundity Analysis of Lutzomyia shannoni (Dyar) (Diptera: Psychodidae)
... The sand fly Lutzomyia shannoni (Dyar) has a broad geographical distribution in Western Hemi- sphere from northern Argentina to southeastern United States. However, its distribution is highly disjunct within that ...
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