Results 101 to 110 of about 66,155 (205)

Predicting the morphological characteristics and basic density of Eucalyptus wood using the NIRS technique [PDF]

open access: yes, 2009
This research aimed to apply the near infrared spectroscopy technique (NIRS) for fast prediction of basic density and morphological characteristics of wood fibers in Eucalyptus clones.
Gherardi Hein, Paulo Ricardo   +4 more
core  

The irrigation system of Madeira

open access: yesFennia: International Journal of Geography, 1981
On the southern coast of Madeira, which contains the greater part of the population and arable areas, the temperature up to about 400 m is suitable for the cultivation of tropical plants, but the precipitation is insufficient, especially during the long ...
Ritva Ruotsalo-Aario
doaj  

An Improved molecular tool for distinguishing monoecious and dioedious Hydrilla [PDF]

open access: yes, 2004
Two biotypes of hydrilla [Hydrilla verticillata(L.f.) Royle] occur in the United States, a dioecious type centered in the southeast and a monoecious type in the central Atlantic and northeastern states.
Center, Ted D.   +2 more
core  

Translocation and radio-telemetry monitoring of pygmy marmoset, Cebuella pygmaea (Spix, 1823), in the Brazilian Amazon

open access: yesBrazilian Journal of Biology
Two groups of pygmy marmoset (Cebuella pygmaea) were rescued along the left bank of the Madeira River during the formation of Santo Antônio Hydroelectric Dam reservoir in the state of Rondônia, Northern Brazil.
CAR. Dias, VL. Queirogas, MA. Pedersoli
doaj   +1 more source

O Futuro Incerto das Florestas Tropicais The Uncertain Future of Tropical Forests

open access: yesRevista de Ciências Agrárias, 2010
As florestas tropicais dão abrigo à maior biodiversidade do planeta, são residência de populações indígenas, fontes de madeira e produtos farmacêuticos, contribuem para regular o clima e prestam uma diversidade de serviços ecológicos vitais - e, contudo,
Fernando Santos Henriques
doaj  

Lecanogaster gorgoniphila, a new species of clingfish (Teleostei: Gobiesocidae) from São Tomé and Principe, eastern Atlantic Ocean [PDF]

open access: yes, 2018
The clingfish Lecanogaster gorgoniphila new species, an unusual species associated with gorgonians, is described on the basis of 7 specimens and colour photographs from São Tomé Island, São Tomé and Principe, eastern Atlantic Ocean. The species is small,
Fricke, Ronald, Wirtz, Peter
core  

New records of marine invertebrates from São Tomé and Príncipe (Eastern tropical Atlantic) [PDF]

open access: yes, 2018
The following species are recorded from the coasts of São Tomé and Príncipe for the first time: the ciliate Zoothamnium niveum, the black coral Antipathella wollastoni, the zoanthid Isaurus tubercularis, and the shrimp Latreutes fucorum.
Wirtz, Peter
core  

Evaluation of the European Policies in Support of Ultraperipheric Regions, Azores, Madeira, Canarias, Guadalupe, Martinique, Guyane and Reunion [PDF]

open access: yes
The paper looks at the development of the EU's outermost regions. We develop a model not only to explain the effects caused by peripherality but also to evaluate the European policies towards ultra peripheral regions.
José Cabral Vieira   +3 more
core  

Açai (Euterpe oleracea) in the Amazon: until when a non-timber forest product? [PDF]

open access: yes, 2019
Until the 1990s the açai was a product basically of local consumption in the states or the Brazilian Amazon, being even known as "food of the poor". Since then, following the expansion of its market, the exploitation or this fruit has undergone numerous ...
Cialdella, Nathalie, Diniz, Janaina
core  

The Effects of Grass Carp on Aquatic Plants, Plankton and Benthos in Ponds [PDF]

open access: yes, 2004
The effects of the grass carp (Ctenopharyngodon idella Val.)on aquatic plant biomass, water quality, phytoplankton, chlorophyll a, zooplankton and benthic fauna were investigated between May and September 2000 in earthen ponds at Cifteler- Sakaryabasi
Demir, N., Kirkagac, Mine
core  

Home - About - Disclaimer - Privacy