Emilio V. Carral

• PhD
• Professor (Associate) at University of Santiago de Compostela

A análise de dados deve conduzir-nos, através duma metodologia rigorosa, à produção de resultados significantes e úteis (Attride-Sterling, 2001). Especialmente, quando trabalhamos com dados qualitativos ou semiqualitativos, uma aproximação baseada na análise temática (Nowell et al, 2017) pode ser de grande utilidade para produzir dados mais signifi...

Land /Special Issue Current and Future Trends of Socio-Economic Values in Terrestrial Ecosystem Services The aim of this Special Issue is to provide a collection of papers that research current and future trends of socioeconomic values in terrestrial ecosystem services. We present different socioeconomic values (political, economic, and societal)...

The excessive use of plastics in recent years, especially so-called single-use plastics, has led to an incipient increase in the presence of this material in the soil. As soil is the essential production factor in agriculture, this study aims to test the toxicity to earthworms of different concentrations of plastics using the same substrate for eac...

Os dez trabalhos recolhidos neste volume foram revistos num processo de avaliação cega por pares. Este trabalho é financiado por fundos nacionais através da FCT-Fundação para a Ciência e a Tecnologia, I.P., no âmbito do projeto UIDB/00305/2020.

Vermicompost is a potential soil fertilizer used in sustainable agriculture and its use can increase food resources. In this study, germination and growth of Allium schoenoprasum (chives), Hordeum vulgare (barley) and Lolium perenne var. Squire (English ryegrass) were evaluated in four different vermicomposts: grass clippings (vegetable), seaweed,...

A sustainable city implies socioeconomic characteristics that allow citizens to maintain a certain quality of life. However, the effect of overtourism in some tourist cities negatively affects the community. In this study, a methodology was developed to analyze how tourism affects the way of life of residents in Santiago de Compostela. This work ai...

27 e 30 de outubro de 2021, como evento presencial. A Comissão Organizadora convida investigadores/as interessados/as a enviar propostas de comunicações, painéis, apresentação de projetos ou de outros produtos académicos (livros, documentários, etc.) tendo em consideração as seguintes linhas temáticas:  Turismo sustentável e turismo responsável; ...

The book presents the results of scientific research about the impacts of visitors (including tourist) in the City of Santiago de Compostela. These finds were showed by a Public Access Exhibition during the summer of 2019 in the City. Even more, and under the concept of Social Engagement Research, the book shows the outputs of the work with differe...

It is a worldwide well-known fact that gastronomic tourism does not always contribute to the cultural, social, economic, and territorial development of the host community. Therefore, its study requires a multidisciplinary and holistic approach to explore and interpret this phenomenon. From this perspective, the paper analyses the consumption of foo...

Dende a perspectiva da soberanía alimentar analízanse os dados de produción-consumo na Galiza tomando como referencia as estatísticas oficiais do Ministerio de Agricultura e Pesca do estado español. Ademais realízase unha análise sectorial por bacías alimentares-comarcas naturais e grandes aglomeracións urbanas. Obtense un balance global positivo n...

Resumo Dende a perspectiva da soberanía alimentar analízanse os dados de produción-consumo na Galiza tomando como referencia as estatísticas oficiais do Ministerio de Agricultura e Pesca do estado es-pañol. Ademais realízase unha análise sectorial por bacías alimentares-comarcas naturais e grandes aglomeracións urbanas. Obtense un balance global po...

In this study we compared the accumulation of eight metals and two metalloids in the growing tips and the remaining shoot tissue of three species of brown seaweeds commonly used in biomonitoring studies (Fucus ceranoides, Fucus spiralis and Ascophyllum nodosum). Regression analysis of the data obtained showed that there was no statistically signifi...

Trough plot-field essay, the effects of two pasteurised-N-enriched sludge loading (3000, 7000 kg ha −1) on Zea mays L. crop were studied for grain production and soil modifica‐ tions evaluation. The results of pasteurised sewage sludge application (Plateau-ASP– Active Sludge Pasteurization-ActiSolids©) showed a more grain production by the two bios...

RESUMO Os objetivos do presente trabalho centram-se em analisar a inter-relação entre gastronomia, cultura, turismo e comércio local num importante destino turístico: Santiago de Compostela. Para isso, em primeiro lugar analisou-se a sua bacia alimentar, concluindo que ocupa uma posição central na oferta de produtos locais de qualidade, de tal modo...

Este livro analisa a importância da agricultura em pequena escala, sem intenção de contrapô-la à agricultura hoje dita profissional porque cada uma tem o seu espaço. É uma combinação de revisões bibliográficas, investigações e conclusões próprias, hipóteses e ideias prospetivas. É nesse sentido que tenciona apresentar um conjunto de ideias e prop...

Full text available from: http://www.intechopen.com/books/waste-management-an-integrated-vision/agro-industrial-waste-management-a-case-study-of-soil-fauna-responses-to-the-use-of-biowaste-as-mead

The application of organic wastes to agricultural soils may have adverse effects on soil quality. Different endpoints are proposed to be analysed and included in organic waste management programmes. The aim of this laboratory study was to determine how the application of increasing concentrations of broiler chicken litter, dairy sludge and cattle s...

A site-specific dairy-industry sludge application plan (GIS-based) has been development in Vilalba municipality, Galiza (NW Spain). Sites suitable for sludge application were identified using GIS based weighted linear combination (WLC) model. The degree of land suitability for dairy sludge was determined using a range of environmental, agronomic an...

The application of organic wastes to agricultural soils is not risk-free and can affect soil invertebrates. Ecotoxicological tests based on the behavioral avoidance of earthworms and springtails were performed to evaluate effects of different fertilization strategies on soil quality and habitat function for soil organisms. These tests were performe...

Organic wastes have been reported to reduce saturation of the exchange complex by Al in Al-rich acid soils. For 3 years, the main soil fertility properties were studied in plots sown with mixed pasture species. These plots were fertilized with cattle slurry, dairy sludge (DS), or granulated broiler litter (BL) in comparison with mineral fertilizer....

Hórreos are traditional rural buildings of northern Spain used for desiccation and conservation of cereal grains. They provide natural ventilation, an unfavourable environment to discourage attack by biotic agents (e.g., fungi and insects) and prevent access by others, such as rodents. The objective of this paper was to study the environmental cond...

The effects of drying and pelletizing on the properties of broiler chicken litter, obtained from a farm in northwest Spain, were investigated. The drying and pelletizing process reduced among-batch variability in dry matter content, electrical conductivity, urea N, and K, S, Na, Fe, Cu and Cd contents, but increased among-batch variability in total...

With the aim of evaluating the suitability of drift-seaweed for use as organic fertilizer, samples were obtained from 16 beaches on the coast of Galicia (NW Spain), for determination of nutrient and heavy metal contents. Samples were distributed between two difference zones: differences in oceanographic characteristics and organic-heavy metal pollu...

Abstract In Galicia (northwest Spain) the application of organic wastes to agricultural land is a common practice, which may increase total and bioavailable metal contents in the soil. In this study, total metal concentrations were determined in acid soils under different use (pasture, cropland, woodland) in an agricultural area where agro-industri...

With the aim of studying the interspectific differences in the bioaccumulation of a series of elements in six species of estuarine macrophytes, we measured the concentrations of various metals (Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn), as well as C and N, in several species of macroalgae and one species of seagrass in estuaries in northwest Spain. To fa...

No abstract available.

Se estudia la capacidad de autodiseminación que presentan tres individuos maduros de haya en una localidad situada en su extremo occidental ibérico de distribución, a través del conteo de cúpulas acumuladas en parcelas concatenadas de 0,25 m2 de superficie dispuestas a lo largo de dos ejes, paralelo a la pendiente uno y perpendicular al anterior ot...

En este trabajo se realiza una valoración preliminar del efecto que diferentes tipos de cubierta tienen sobre la distribución y características dasométricas del regenerado de Fagus sylvatica L. en el extremo SW de su área de distribución europea. Para ello se han localizado espacialmente las plantas jóvenes (<1,5 m de altura) presentes en una parce...

En este trabajo se presentan los resultados del seguimiento realizado al regenerado de haya existente en dos hayedos, uno acidófilo y otro basófilo, situados en el P.N. de Redes (Asturias) a lo largo del período 2000-2001. Los resultados obtenidos muestran que tanto la producción de semilla como la nascencia de plántulas y la supervivencia del rege...

Se exponen los resultados de la caracterización biométrica (peso fresco), viabilidad de las semillas (test al corte) y tasa de nascencia, así como del crecimiento de plántulas en los dos primeros años, de los contingentes de semilla recogidos en dos hayedos (uno acidófilo y otro basófilo) de la vertiente norte de la Cordillera Cantábrica (Parque Na...

The effects of different types of fertilization for sward production on edaphic and epiedaphic fauna was examine for the purpose of evaluating macro faunal communities as potential indicators. Data were collected in 15 sward parcels with five type of treatments: control (no fertilization), dairy sludge, broiler litter, cattle slurry and mineral fer...

The suitability of dairy-plant sludge for fertilisation of a Cambisolic soil was investigated in northwest Spain. Soil properties (pH, electrical conductivity, organic matter content, NO3−, P, Ca, Mg, Na, K and Al) and soil and plant tissue heavy metal contents (Hg, Pb, Cd, Cu, Zn, Ni and Cr) were determined in 12 grassland plots fertilised over a...

We determined background levels of heavy metals in sediments and biota of estuarine environments and nutrient reference levels in sediments of the Galician coast. This region is characterised by having ria-type estuaries. The determination of these levels, which were affected by the geological heterogeneity of the area, was the basis that let us ev...

The rock mussel (Mytilus galloprovincialis Lam.) was used as a biomonitor species for metal pollution on the coast of Galiza, NW Spain. The measured concentrations in the soft tissues and in the nacreous shell were contrasted with those from the HCl and HNO3 leached fractions of sediment samples collected from the mussels' environment. The nickel a...

We investigated metal (Al, Fe, Mn, Co, Cr, Cu, Ni, Zn and Pb) concentrations in surface sediments (107 samples) and intertidal organisms (424 samples of macroalgae, phanerogams, molluscs and polychaetes) from 44 estuarine areas in Galicia (northwest Spain). Three acid extraction procedures (HCl, HNO3 and HNO3 + HF) were used. Following analysis of...

The possible influence of watershed lithology on metal levels in estuarine sediments and organisms (macroalgae, phanerogams, molluscs and polychaetes) in Galicia (north-west Spain) was investigated. In sediments, background levels of Fe, Mn, Cu, Cr, Pb and Ni—but not of Co and Zn—are determined by watershed lithology. In contrast, watershed litholo...

DecomposingRumex obtusifolius L. leaves and their extracts were most toxic for germination and root growth of meadow speciesLolium perenne, Trifolium repens, Poa pratensis, andDactylis glomerata after seven days' decomposition, although the toxicity level was, in some cases, still high after 21 days. The hypothesis thatR. obtusifolius exerts allelo...

Analysis of small-scale distribution may allow allelopathic interaction among plant species to be distinguished from competitive interaction. If all environmental factors except slope are uniform, allelopathy produces spatial asymmetry in the association with a hypothetical receptor species and the corresponding hypothetical emitter species in the...