Results 21 to 30 of about 154 (102)

Geoconservação em brejos de altitude: o Parque Estadual Mata do Pau Ferro

open access: yesNature and Conservation, 2017
No Estado da Paraíba, existem inúmeras localidades com grande potencial de turismo ecológico. Muitos desses locais se constituem em Unidades de Conservação, especialmente no tocante aos Parques Estaduais, que servem de espaço de lazer e para práticas de ecoturismo. Porém, existem vários problemas envolvendo o uso e ocupação dessas áreas, tais como: uso
Elysson Thiago Gomes Barbosa   +4 more
openaire   +2 more sources

Spaces of Environmental Conflicts in the Buffer Zones for the Protected Area of the State Park Mata Do Pau Ferro in Areia – Paraiba

open access: yesJournal of Experimental Agriculture International, 2019
The National System of Conservation Units has defined a buffer zone as an area around a Conservation Unit, where activities must be subject to specific standards, in order to minimize negative impacts on ecosystems. Based on this discussion, this research uses remote sensing and geoprocessing and has as objectives: to map the use and occupation of the ...
Jaltiery Bezerra De Souza   +6 more
openaire   +2 more sources

Método no destructivo para estimar el área foliar de Erythroxylum pauferrense (Erythroxylaceae) a partir de las dimensiones lineales de las láminas foliares

open access: yesActa Botanica Mexicana, 2020
Antecedentes y Objetivos: La determinación del área foliar es esencial para los estudios sobre crecimiento, propagación y ecofisiología de especies forestales.
João Everthon da Silva Ribeiro   +3 more
doaj   +1 more source

Leaf area estimation for Psychotria carthagenensis and Psychotria hoffmannseggiana as a function of linear leaf dimensions

open access: yesActa Scientiarum: Biological Sciences, 2019
Determining leaf area is important for studies involving plant growth and development. The aim of the present study was to obtain models for estimating leaf area of Psychotria carthagenensis and Psychotria hoffmannseggiana using linear measurements of ...
João Everthon da Silva Ribeiro   +4 more
doaj   +1 more source

Leaf Area Estimate of Erythroxylum simonis Plowman by Linear Dimensions

open access: yesFloresta e Ambiente, 2018
This research aimed to determine an equation to estimate the leaf area of Erythroxylum simonis using the length and width of leaf blades. Two hundred leaf blades of this species were collected in Mata do Pau-Ferro, a State Park located in Areia, PB ...
João Everthon da Silva Ribeiro   +2 more
doaj   +1 more source

Artrópodes edáficos em fragmentos de floresta ombrófila aberta na Paraíba, Brasil

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2016
Os organismos do solo são componentes ativos nos sítios edáficos e desempenham importantes funções no processo de ciclagem de nutrientes. Objetivou-se avaliar a diversidade da macrofauna e a distribuição vertical da mesofauna em dois fragmentos de ...
César Henrique Alves Borges   +5 more
doaj   +1 more source

Abstract Book for the 27th Congress of the European Hematology Association

open access: yes, 2022
HemaSphere, Volume 6, Issue S3, Page 1-4130, June 2022.
wiley   +1 more source

Calvatia nodulata, a New Gasteroid Fungus from Brazilian Semiarid Region

open access: yesJournal of Mycology, Volume 2014, Issue 1, 2014., 2014
Studies carried out in tropical rain forest enclaves in semiarid region of Brazil revealed a new species of Calvatia. The basidiomata were collected during the rainy season of 2009 and 2012 in two states of Northeast Brazil. Macroscopic and microscopic analyses were based on dried basidiomata with the aid of light microscope and scanning electron ...
Dônis da Silva Alfredo   +3 more
wiley   +1 more source

Comparações florísticas e estruturais entre comunidades de Floresta Ombrófila Aberta com diferentes idades, no Município de Areia, PB, Brasil Floristic and structural comparisons of Ombrophilous Forest communities of different ages, in Areia Municipality, Paraíba State, Brazil

open access: yesActa Botânica Brasílica, 2006
O presente estudo foi desenvolvido na Reserva Ecológica Estadual Mata do Pau-Ferro, localizada na Microrregião do Brejo Paraibano, Município de Areia. Com o objetivo de avaliar comparativamente a estrutura e a composição florística de floresta em trechos
Francieldo Xavier de Oliveira   +2 more
doaj   +1 more source

EHA2021 Virtual Congress Abstract Book

open access: yes, 2021
HemaSphere, Volume 5, Issue S2, June 2021.
wiley   +1 more source

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