Results 61 to 70 of about 13,996 (186)

Dynamics of allochthonous organic matter in a tropical Brazilian headstream

open access: yesBrazilian Archives of Biology and Technology, 2006
The species composition of the riparian vegetation and the seasonal contribution of input and storage of fine and coarse particulate organic matter were assessed in a 3rd order stretch.
José Francisco Gonçalves Júnior   +2 more
doaj   +1 more source

Perfiles cromatográficos preliminares por GC-MS de algunas especies de plantas melastomatáceas [PDF]

open access: yes, 2007
En este trabajo se presenta la determinación de los perfiles quimitaxonómicos de 11 especies de plantas melastomatáceas en fase orgánica. Las fracciones fueron analizadas por cromatografía de gases acoplada a espectrometría de masas por ionización ...
Isaza Martínez, José Hipólito   +6 more
core   +3 more sources

Vegetation Structure and Composition as Predictors of Small Mammals Assemblages

open access: yesAustral Ecology, Volume 50, Issue 11, November 2025.
ABSTRACT Whether the diversity and composition of animal communities are determined by vegetation structure or composition has been an ongoing debate. However, due to combined shortcomings of data and methodology, vegetation structure has been prioritised when trying to understand the effects of vegetation upon animal communities. Here, we explored the
Fabrício Luiz Skupien   +3 more
wiley   +1 more source

MICONIAS DO MUNICÍPIO DO RIO DE JANEIRO SEÇÃO MICONIA DC. (MELASTOMATACEAE)

open access: yesRodriguésia
RESUMO 0 autor apresenta neste trabalho, o estudo taxonômico das espécies do gênero Miconia Ruiz et Pav., seção Miconia, ocorrentes no Município do Rio de Janeiro. Foram referidas 5 espécies para a região em estudo, com ilustrações, fotografias dos tipos
JOSÉ FERNANDO A. BAUMGRATZ
doaj   +1 more source

Prevention, Eradication, and Containment of Invasive Species: Illustrations from Hawaii [PDF]

open access: yes
Invasive species change ecosystems and the economic services such ecosystems provide. Optimal policy will minimize the expected damages and costs of prevention and control.
Burnett, Kimberly M.   +3 more
core   +1 more source

Phytossociology of a dense Cerrado on the footprint of a carbon flux tower, Pé-de-Gigante, Vassununga State Park, SP [PDF]

open access: yes, 2010
O domínio do Cerrado compreende uma área contínua nos estados centrais do Brasil e áreas disjuntas em outros estados, incluindo São Paulo. Essa vegetação ocupava originalmente 21% do território brasileiro, restando atualmente apenas 21,6% de sua extensão
AIDAR, Marcos Pereira Marinho   +3 more
core   +2 more sources

Ecological Strategies of Trees Across Diverse Riparian Forests Along the Tropical Rio Doce, Brazil

open access: yesAustral Ecology, Volume 50, Issue 11, November 2025.
This study investigates the functional strategies of woody plants in riparian forests along the Rio Doce, Brazil, using Grime's CSR model to examine how traits vary between adult and saplings strata across environmental gradients. Results reveal distinct ecological strategies and trait‐environment relationships in both strata, with climatic variables ...
Wénita de Souza Justino   +8 more
wiley   +1 more source

Miconia Ruiz & Pav. no Núcleo Curucutu, Parque Estadual da Serra do Mar, Estado de São Paulo, Brasil

open access: yesHoehnea
RESUMO Este trabalho consiste no levantamento de Miconia Ruiz e Pav. (Melastomataceae) no Núcleo Curucutu, Parque Estadual da Serra do Mar, Estado de São Paulo, Brasil. Foram registradas nove espécies de Miconia: M. cabucu Hoehne, M. chartacea Triana, M.
Adenilsa Aparecida Rodrigues-Lima   +1 more
doaj   +1 more source

Floral Morphoanatomy and Pollen Viability in Miconia polystachya (naudin) r. Goldenb., (Miconieae, Melastomataceae) [PDF]

open access: yesBrazilian Archives of Biology and Technology
Many Melastomataceae are distributed in highland rocky fields (Campos rupestres) landscapes with their intrinsic environmental factors. These factors influence the expression of morphoanatomical characteristics and determine which adaptations are ...
Guilherme de Almeida Caputti Araujo   +1 more
doaj   +1 more source

Dois registros inéditos da ocorrência de insetos associados a Miconia cinnamomifolia (Dc.) Naud. em Nova Friburgo, Rio de Janeiro [PDF]

open access: yesFloresta e Ambiente, 2023
Resumo Relata-se pela primeira vez a ocorrência de lagartas de Labedera hirtipes Walker, 1855 (Lepidoptera: Lasiocampidae) e do besouro Nilio barthiCosta Lima & Seabra, 1954 (Coleoptera: Tenebrionidae) em Miconia cinnamomifolia (Dc.) Naud ...
Hélcio R. Gil-Santana   +1 more
doaj  

Home - About - Disclaimer - Privacy