Altitudinal gradient
Floristic-functional variation of tree component along an altitudinal gradient in araucaria forest areas, in Southern Brazil
... an altitudinal gradient (700, 900 and 1,600 m asl), in the southern region of ...all altitudinal gradient, the ordinations indicated that there was no evidence of functional differentiation ...
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Species presence frequency and diversity in different patch types along an altitudinal gradient: Larix chinensis Beissn in Qinling Mountains (China)
... the altitudinal gradient; (2) Some species or func- tional groups (species groups sharing similar traits and responses to the environment) only occurred in some specific ...
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Bryophyte species richness and composition along an altitudinal gradient in Gongga Mountain, China.
... longer altitudinal gradient than vascular plants, and thus strong generalizations on observable changes in diversity along latitudinal and altitudinal gradients can be made according to bryophyte ...
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Inland water microcrustacean assemblages in an altitudinal gradient in Aysen region (46° S, Patagonia Chile)
... The Chilean Patagonia has numerous kinds of inland water ecosystems such as lakes, ponds, wetlands and rivers that have been poorly studied due to access difficulties. This study was carried out in Aysen region, in ...
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Assessing intraspecific variation in effective dispersal along an altitudinal gradient: a test in two Mediterranean high-mountain plants.
... Most effectively dispersed seeds were established near conspe- cific adult plants (Figure S1). Consequently, estimated mean dispersal distances were low, suggesting that both A. caespitosa and S. ciliata have low ...
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Compositional changes in bee and wasp communities along Neotropical mountain altitudinal gradient
... an altitudinal gradient, resulting in some species groups’ patterns of lower species richness with increasing ...an altitudinal gradient (1,000–2,000 ...for altitudinal surveys compared ...
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Altitude and soils determines abrupt variation of vegetation in altitudinal gradient in Atlantic Rain Forest
... A estratigrafia geológica supracitada, vinculada aos processos morfogenéticos, ensejam o predomínio de solos pouco desenvolvidos, dentre os quais Cambissolos e Neossolos (Potter et al. 2004). Em nível de correspondência ...
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Leguminosae in an altitudinal gradient in the Atlantic Forest of Serra do Mar State Park, Sa˜o Paulo, Brazil Edson Dias da Silva 1,3 , Ana Maria Goulart de Azevedo Tozzi1 Leonardo Dias Meireles2
... Abstract: Studies on floristic and structural variations of forests in relation to altitude have contributed to the knowledge of patterns and causes of spatial distribution of plants in the Atlantic Forest. Geographical ...
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Invasion of the tropical earthworm Pontoscolex corethrurus (Rhinodrilidae, Oligochaeta) in temperate grasslands
... an altitudinal gradient in central Veracruz, ...an altitudinal gradient: Laguna Verde (LV), La Concepción (LC), Naolinco (NA) and Acatlán (AC) at 11–55, 992–1,025, 1,550–1,619 y 1,772–1,800 ...
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Laboratório de Entomologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro – UFRJ, Ilha do Fundão, Cidade Universitária, CP 68044, CEP 21944-970, Rio de Janeiro, RJ, Brasil
... limited altitudinal range of Serra da Bocaina National Park, there is a distinct modification in the faunal community in relation to composition and abundance along this gradient, as pointed out by Illies ...
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VARIAÇÃO TEMPORAL DA COMUNIDADE DE FORMIGAS AO LONGO DE UM GRADIENTE ALTITUDINAL
... increasingly. Altitudinal gradients are great ecological models, within which the decreased richness with increasing altitude is the pattern most ...tropical altitudinal gradient and if this effect ...
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FUNCTIONAL DIVERSITY AND ITS ATTRIBUTE FACTORS IN THE YUNMENG MOUNTAIN NATIONAL FOREST PARK IN BEIJING, CHINA
... environment (DE BELLO et al., 2006). There were eight forest communities distributed along the altitudinal gradient in the Yunmeng Mountain Forest Park (DAI et al., 1990). They were, from the lower to the ...
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Distribuição altitudinal e riqueza de espécies de plantas herbáceas em campos rupestres do sul da Cadeia do Espinhaço, Minas Gerais, Brasil
... along altitudinal gradients are relatively well studied (Hodkinson ...the altitudinal gradient, and defines a maximum value of species richness at intermediate altitudes (Gentry & Dodson 1987; ...
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Altitudinal distribution and species richness of herbaceous plants in campos rupestres
... The absence of pattern in species richness variation as altitude increases in both serras reflects the heterogeneity of the studied vegetation, which suggests the need of studies on the influence of local environmental ...
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Bird species distribution and conservation in Serra do Cipo, Minas Gerais, Brazil
... We studied the distribution of birds along an altitudinal gradient ranging from 800 m to 1,400 m on two slopes of the Serra do Cipo´, Minas Gerais, southeastern Brazil. Ornithological surveys were conducted ...
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Distribuição altitudinal e sazonal de afídeos (Hemiptera, Aphididae) na Serra do Mar, Paraná, Brasil.
... ABSTRACT. There are about 130 species of aphids registered for Brazil and most of them are exotic, originated from temperate regions. The objective of this research was to survey the aphid species that occur in different ...
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On a linear-quadratic problem with Caputo derivative
... the gradient of the functional ...the gradient of J to describe the gradient and projection of the gradient methods for the approximative solving of this ...
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J. Braz. Soc. Mech. Sci. & Eng. vol.28 número2
... channel half width, h, of 180. They used two types of boundary conditions. In one case, the scalar (temperature) was internally generated and isothermal walls of the same temperature served as boundary conditions. In the ...
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Altitudinal distribution of birds in a mountainous region in southeastern Brazil
... Among the passerines, several genera had some altitudi- nal replacement between species in the Serra dos Órgãos. Two genera of the family Thamnophilidae (Thamnophilus Vieillot, 1816 and Drymophila Swainson, 1824) clearly ...
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Opinion formation models on a gradient.
... interpret p(x) as the innate propensity to hold the black opinion at the beginning as well as during the evolution of the opinions. Thus, nodes on the far left and far right of the lattice are likely to have opposite ...
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