Results 81 to 90 of about 97,083 (279)

Sesgos en la obtención de estimas de densidad obtenidas por medio de transectos lineales en ambientes estepáricos de las Islas Canarias [PDF]

open access: yes, 2008
We studied bias in density estimations derived from strip transects in dry open–country in the Canary Islands. We also present some critical remarks on García–del–Rey’s (2005) paper regarding strip transects and the validity of comparisons based on ...
Carrascal, L. M.   +2 more
core  

Scale and structure of time-averaging (age mixing) in terrestrial gastropod assemblages from Quaternary eolian deposits of the eastern Canary Islands [PDF]

open access: yes, 2007
Quantitative estimates of time-averaging (age mixing) in gastropod shell accumulations from Quaternary (the late Pleistocene and Holocene) eolian deposits of Canary Islands were obtained by direct dating of individual gastropods obtained from ...
Torres Pérez-Hidalgo, Trinidad José
core   +2 more sources

Assessing the Health Impacts of Contaminants on Green Turtles (Chelonia mydas) Along the Southern Coast of Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Chemical pollutants pose a significant threat to marine ecosystems. Among these contaminants are trace elements and polycyclic aromatic hydrocarbons (PAH). Green turtles can be employed to evaluate the oceans' health due to their coastal habitats and exposure to multiple threats.
Camila Roberta da Silva Ribeiro   +6 more
wiley   +1 more source

Curriculum-based Measurement for Early Writing Struggles in Kindergarten: A Systematic Review

open access: yesPsicología Educativa: Revista de los Psicólogos de la Educación
Early detection and intervention play a crucial role in the prognosis of children with specific learning disabilities. Due to the complexity of the writing process and its persistence into adulthood, tools for early detection are essential.
Jennifer Balade   +2 more
doaj   +1 more source

Participation and Watershed Management: Experiences from Brazil [PDF]

open access: yes, 2007
Public participation is emphasized in many new institutional approaches to resource management, especially watershed governance. The implementation of participatory management frameworks, and capacity-building for civil society participants, deserve ...
Perkins, Patricia E. (Ellie)
core  

Estimation of the dietary nutrient profile of free-roaming feral cats: possible implications for nutrition of domestic cats [PDF]

open access: yes, 2011
Cats are strict carnivores and in the wild rely on a diet solely based on animal tissues to meet their specific and unique nutritional requirements. Although the feeding ecology of cats in the wild has been well documented in the literature, there is no ...
Bosch, G.   +2 more
core   +3 more sources

Extreme rainfall in Madeira: the June 2023 weather event

open access: yesWeather, EarlyView.
This study investigates the meteorological conditions behind the extreme precipitation event on 6 June 2023 over Madeira Island, Portugal. The event set a national daily record of 497.5mm and was unusual for occurring in early summer, as most extremes in the region occur in winter.
Tiago M. Ferreira   +5 more
wiley   +1 more source

Effectiveness of a decision aid for promoting colorectal cancer screening in Spain: a randomized trial

open access: yesBMC Medical Informatics and Decision Making, 2019
Background Colorectal cancer (CRC) screening has shown to reduce incidence and mortality rates, and therefore is widely recommended for people above 50 years-old.
Lilisbeth Perestelo-Perez   +8 more
doaj   +1 more source

Helrninths parasitising endernic geckoes frorn Canary 1slands [PDF]

open access: yes
Parasitological studies on geckoes in Europe are scarce but there are even fewer in the Canary Islands. A complete survey of the helminth communities of Tarentola boettgeri boettgeri, T. b. hierrensis, T. gornerensis, T.
Carbonell, E., Martin, J. E., Roca, V.
core  

Biological activity in the wake of an island close to a coastal upwelling [PDF]

open access: yes, 2008
Hydrodynamic forcing plays an important role in shaping the dynamics of marine organisms, in particular of plankton. In this work we study the planktonic biological activity in the wake of an island which is close to an upwelling region.
Feudel, U.   +3 more
core   +2 more sources

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