Dairy cattle-slurry treatment technologies: towards an integrating approach of crop production, animal feeding and environmental impacts

Dairy cattle farms have a well-known environmental impact that affects all ecological compartments: air, soil, water and biosphere [1]. Dairy cattle farming are a significant source of anthropogenic gases from enteric fermentation, manure storage and land application, mainly ammonia (NH3), nitric oxide (NO), nitrous oxide (N2O), carbon dioxide (CO2) and methane (CH4). The emission of such gases represents not only an environmental problem but also leads to energy and nitrogen (N) losses in ruminant production systems [2-5]. Several efforts are required on the development of new technologies and strategies that mitigate gaseous emissions, N losses and improve the efficiency of the energy and N cycles [6, 7]. In the Northwest of Portugal, dairy cattle production has a major impact on the economy, with strong repercussions at national scale. Therefore, our Ph.D. thesis project aims to: a) Study natural supplements as additives in the dairy cattle diet towards a decrease in GHG emissions from feeding operations; b) Compare commercial dairy cattle diets with and without additives on gaseous emissions from manure deposited in a simulated concrete floor; c) Assess the concentrations and emissions of NH3 and greenhouse gases from commercial dairy cattle facilities; d) Evaluate the effects of different additives on lowering gaseous emissions from dairy cattle excreta, using a laboratory system simulating a dairy house concrete floor.

Enotourism – more than a life style

Enotourism is a relatively new form of sustainable tourism. But is more than a lifestyle. The Douro landscape reflects its ancient and deep connection with the culture of wine, creating a picture of Man and Nature working side by side in search of the perfect wine. Lifestyle typically reflects: an individual's attitude, a way of life, values, or world view. Practical implications - the results suggest that there is scope for developing wine tourism products to attract tourists and which could be used to promote the Douro Valley region as a centre for enotourism. The beautifully unique landscape of the Douro was one of the reasons that made it a World Heritage site in 2001. There isn´t in Portugal an autonomous strategy process to define enotourism. Is a legal problem when we try to analyse the process or a data base to find information about enotourism players. So, how do winery operators, particularly those running small or family businesses, cope with the new developments occurring in the world of wines? The present study examines these issues from the perspective of a group of Portuguese winery operators. Our proposal in this research, is to analyse how many wineris or enotecas are hable to develop enotourism with a legal process. The results of the study reflect the level of education of employees, the seasonal nature of tourism, the improvements in its promotion and the need for greater support from local government. A key aspect is respect for the people who call the location home, the culture and customs of the area, and the socio-economic system. Design/methodology/approach - The methodology employed for this study consisted of a combination of surveys, interviews and field observations with the suppliers in the traditional wine‐producing region, Douro Valley, or Porto wine region, in the north of Portugal. The results of this investigation are almost analisys made inside the villages and also us wineries and enotecas. From the 30 winemakers that we visited, only 2 have an enotourism service acording to legislation and have a certificate that allows to pratices. It was very hard but it is an open field to future researchs (TOMÁS López‐Guzmán,et al, 2011). From the 30 wineries we have analysed only 2 were enotourism with a legal basis. Enotourism is on the travel agencies department and most of the wineries don´t have the legal licenses. Despite of most tourism agencies see enoturism as a segment of the industry with tremendous growth potential, stating that in some regions, it's only functioning at 20% of its full potential. Enotourism development guidelines and management practices are applicable to all forms of tourism in all destination types, including mass tourism and the various niche tourism segments.

Potential valorization as fertilizers of Humic Substances extracted from landfill leachate

In this study, four leachates samples from 3 different landfills localized in the north of Portugal were characterized and fractionated, to understand the decomposition degree and to evaluate their potential as an agent for fertilization. Humic substances (HS) were extracted, quantified, chemical characterized and further fractionated in humic acid (HA) and fulvic acid (FA). Keeping in mind the purpose to use these fractions as fertilizers, the phytotoxicity of HS, HA and FA solutions was evaluated on cress seed germination. The HS concentration was similar for all the leachates evaluated and was higher than 780 mg/L of total organic carbon. All the leachates analysed registered higher FA concentration than HA. The chemical characterization indicated that HA had a relatively higher aromatic character than the FA obtained from same sources. These results suggest that the HS from landfill leachates were in an early stage of humification, once the degree of humification increase as the landfilling age increase. Overall, the HS extracts showed absence of phytotoxicity, with germination index greater than 80% for samples treated to achieve low electric conductivity values. This suggests that the HS from the leachate may be used to produce liquid organic fertilizers.

Emotional competences and promotion of school success: Preliminary data of an intervention programme with teachers

Teachers’ emotional competences and well-being are fundamentally important to developing and maintaining positive relationships in the classroom, which can contribute to improving pedagogical action. References to several intervention programmes are found in the literature with the purpose of changing the practices, attitudes, and beliefs of teachers, who show evidence of a significant improvement in personal competences and school success. Therefore, an intervention with teachers integrating a broader line of research was carried out, involving parents and students as well. It consists of a programme which promotes personal (well-being and emotional intelligence) and professional (acquiring differentiated pedagogical strategies) competences over a period of six months, followed by a focus group to assess the contribution of an empowerment programme with the intention of promoting school success. The preliminary action-research study involved 10 teachers of two classes with students who show disruptive behaviour in the 7th year in a school in the central region of Portugal. The teachers, of both genders, are aged between 44 and 52, and belong to several recruitment groups. The main research question was: “To what extent does an intervention programme, intended for training, contribute to developing personal and professional competences in teachers of the 3rd cycle of basic education?” The teachers revealed a rather favourable view of their participation in the programme, considering that it helped them perceive some behaviours and practices which are less adjusted to their action in the classroom with these students (shouting, scolding, etc.). From the pretest to the posttest, statistically significant differences were found in assessing their own emotions and in their use. Signs of improvement in positive affections and satisfaction with life were also found, though with a marginal significance. The preliminary data in this empowerment programme for these educational agents points towards the importance of teachers’ awareness in what concerns their pedagogical action, as well as the need to change traditional pedagogical practices that contribute to discouraging students towards learning. The need to establish closer and systematic contact with the students and their families in order to meet their needs and expectations was also highlighted.

Leadership and Pedagogical Interaction as Predictors of Learning Outcomes in Physical Education

Problem Statement: This research aims to understand the relative contribution of leadership styles and teacher-student and student-student pedagogical interaction concerning the learning performance and academic achievement in physical education. Research Questions: Are the teacher leadership style and the teacher-student and student-student pedagogical interaction related to the learning performance and academic achievement in physical education in basic schooling? Purpose of Study: There are several factors that contribute for the explanation of learning outcomes, namely teacher leadership styles in the classroom, as well as teacher-student and student-student pedagogical interactions. These factors are considered to be essential in the teaching-learning process and in the subsequent improvement of educational outcomes. Research Methods: A quantitative methodology was implemented, comprising a sample of 447 students attending a School Grouping located in the Central Region of Portugal. In order to verify the nature, the strength and the direction of the relations among the variables, correlation and multiple regression analyses were used. For this, scales already validated and used in other researches were applied. Findings: The results show that the learning performance and the academic achievement are significantly associated with teacher leadership styles and teacher-student and student-student pedagogical interaction. A stronger association was obtained with leadership styles, especially the democratic one. It should be mentioned that these factors provide a higher relative contribution to the learning performance than to the academic achievement. Conclusions: This study sought to deepen the understanding of the explanatory factors of academic success concerning the teaching-learning process in physical education. The analysis conducted highlights the importance of the democratic teacher leadership style and of the pedagogical interaction established within the classroom towards the improvement of students' ability to understand the gains and the effort made in learning.

Developing self-guided scuba dive routes in the Algarve (Portugal) and analysing visitors' perceptions

Scuba diving allows for underwater visitation of cultural and natural resources. Underwater routes can be used as a tool for guided and supervised underwater visits. Two scuba diving routes were implemented in the Algarve (South of Portugal), the "B24" and "Poco" diving sites. The perceptions of scuba divers regarding several aspects of the routes and the existing support infrastructures were studied following a survey carried out through face-to-face interviews from 2008 to 2012. Divers profile and their perceptions were analysed using 246 valid questionnaires. Divers were mainly Portuguese, over 30 years old and with more than 12 years of formal education. Some of the support infrastructures did not achieve a "good" or "acceptable" grade. This should be carefully considered by diving operators and managers, because perceptions tend to circulate throughout the diving tourists. All features of interpretative slates were graded as highly satisfactory. Overall, diver satisfaction increased slightly after route implementation, with an average ranking of "good". These findings support the implementation of underwater routes as a way to promote diving activity, and to increase divers' environmental education and awareness. (C) 2013 Elsevier Ltd. All rights reserved.

Home range, residency and movements of Diplodus sargus and Diplodus vulgaris in a coastal lagoon: Connectivity between nursery and adult habitats

Acoustic telemetry and standard tag-recapture were used to determine the home range and residency of juveniles and sub-adults of Diplodus sargus and Diplodus vulgaris in the Ria Formosa (Portugal) coastal lagoon. Maximum time between recaptures for the standard tag-recapture method was 128 days for D. sargus and 30 days for D. vulgaris. The majority of the fish were recaptured in the vicinity of the tagging location. Fish tagged with acoustic transmitters had a maximum period of time between first and last detections of 62 days for D. sargus and 260 days for D. vulgaris. Minimum convex polygons areas ranged between 148 024 m(2) and 525 930 m(2) for D. sargus and between 23 786 m(2) and 42134 m(2) for D. vulgaris. Both species presented a high residency index between first and last detections. Two D. sargus tagged with acoustic tags were recaptured by fishermen outside the coastal lagoon at distances of 12 km and 90 km from the tagging position, providing evidence that this species leaves the Ria Formosa during the winter time for the adjacent coastal waters. The results of this study reinforce the importance of Ria Formosa as a nursery for D. sargus and D. vulgaris in the south coast of Portugal. (C) 2009 Elsevier Ltd. All rights reserved.

Length-weight relationships of six syngnathid species from Ria Formosa, SW Iberian coast

In this study, the length-weight (LWR) parameters were estimated for six syngnathid species, including 2 seahorses and 4 pipefishes, from Ria Formosa, a temperate lagoon from the south coast of Portugal. A total of 5070 fishes were used to determine the LWR. The estimated b value ranged from 2.95 (Nerophis ophidion) to 3.36 (Syngnathus abaster). To the authors' best knowledge, LWR parameters were estimated for the first time for Nerophis ophidion and Syngnathus typhle for the Atlantic waters. Data here present are essential for management and conservation of these flagship species.

Quantifying recreational shore angling catch and harvest in southern Portugal (north-east Atlantic Ocean): implications for conservation and integrated fisheries management

Recreational shore fishing along 250 km of the south and south-west coast of Portugal was studied based on roving creel and aerial surveys. Surveys were conducted between August 2006 and July 2007, following a stratified random-sampling design and provided information on catch and effort, harvest and discards, angler demographics and fishing habits. Overall, 192 roving creel surveys, 24 aerial surveys and 1321 interviews were conducted. Based on the aerial surveys, a mean +/- s.e. total fishing effort of 705 236 +/- 32 765 angler h year(-1) was estimated, corresponding to 166 430 +/- 9792 fishing trips year(-1). Average time spent per fishing trip was 4.7 h. A total of 48 species, belonging to 22 families, were recorded in roving creel surveys. The most important species was Diplodus sargus, accounting for 44% of the total catches by number and 48% by mass. Estimated mean +/- s.e. total annual recreational shore fishing catch was 160.2 +/- 12.6 t year(-1) (788 049 +/- 54 079 fishes year(-1)), of which 147.4 +/- 11.9 t year(-1) (589 132 +/- 42 360 fishes year(-1)) was retained. Although overall shore-based recreational catches only corresponded to 0.8% of the commercial landings (only common species considered), D. sargus catches by recreational shore anglers were considerable, corresponding to 65% of the commercial landings. The implications of these results for integrated fisheries management and conservation are discussed, and future research proposed.

Species and size selectivity in a 'red' sea bream longline 'metier' in the Algarve (southern Portugal)

A longline 'metier' using small hooks for 'red' sea breams (Pagellus acarne and Pagellus erythrinus) in the Algarve (south of Portugal) was studied. Experimental longlining was carried out with three sizes of "Mustad" round bend, flatted, spade end Quality 2316 DT hooks (numbers 11, 13 and 15) and two types of bait: razor shell (Ensis siliqua) and mud shrimp (Upogebia pusilla). A total of 3 328 fish and at least 36 species were caught with 33 600 hooks fished in 28 longline sets. Five species of sea breams (Sparidae) accounted for 79% of the catch: Pagellus acarne, Pagellus erythrinus, Diplodus vulgaris, Spondyliosoma cantharus, and Boops boops. High catch rates of 20-30 fish per 100 hooks were made in a number of 1 200 hook longline sets, with total catch weights of 40 to more than 60 kg per set. In general, the smallest hook (number 15) had the highest catch rate. Bait type did not significantly affect the catch size distributions. Although more fish were caught with the razor shell bait, higher catch rates of 'red' sea breams were obtained with mud shrimp. Catch rates were also affected by the location of the fishing grounds and the time of the set, with the highest catch rates obtained when the longline was set within two hours before sunrise. A wide size range was caught for each species, with highly overlapped catch size frequency distributions for the three hook sizes used. Except for Spondyliosoma cantharus, few illegal-sized fish were caught, even with the smallest hook. The logistic model fitted by maximum likelihood was used to describe hook selectivity for Diplodus vulgaris, Pagellus acarne, Pagellus erythrinus, and Spondyliosoma cantharus. (C) Ifremer-Elsevier, Paris.

First record of Ocinebrina nicolai (Mollusca: Gastropoda: Muricidae: Ocenebrinae) in North-Eastern Atlantic waters

Ocinebrina nicolai Monterosato, 1884 a marine mollusc belonging to the Muricidae family is reported from Algarve, south coast of Portugal for the first time and is a new record for the biodiversity of the Portuguese malacological fauna and northeastern Atlantic waters. This species with a medium-size shell for the genus (14–16 mm) was initially sampled during a baseline project that studied marine biotopes in the central Algarve region. This short note presents a brief diagnosis of the species, provides local information on geographical distribution, habitat, and compares it with other congeneric species found in Portugal: Ocinebrina aciculata (Lamarck, 1822) and Ocinebrina edwardsii (Payraudeau, 1826).

The efficacy of releasing caught Nephrops as a management measure

The objective of this work was to examine if a policy of releasing caught lobsters, Nephrops, could be used to protect the Nephrops population off the south coast of Portugal. Such a measure, as an alternative to closing the fishery completely, would allow the continued operation of the fleet in targeting other species, resulting in a reduced economic and social impact compared with a complete closure. For such a proposal to be considered, information on survival rates of released lobsters is required. Nephrops were sampled randomly from the catch of commercial trawlers and put in cages, in an area with similar conditions to the area where they were caught, in order to evaluate survival rates. The cages were immersed for periods of 5–9 days. Several factors were considered to potentially affect survival, including duration of the tow and season, and biological characteristics of the individuals (e.g. size, sex and ovigerous condition). Survival was only affected by season (increased mortality inwarm months).Aglobal estimate of survival of released lobsters, taking into consideration survival and proportion of the catches for each season, was 35%. Simulation models were used to investigate the potential effect of a release measure on the population. Assuming the number of recaptured individuals is negligible, Z (instantaneous total mortality rate)would be considerably reduced if a release policy was implemented. This is particularly important if the levels of exploitation are high, which seems to be the case in this stock. It is our belief that the implementation of amanagement measure of returning all caught lobsters to the sea is worth considering as a means of aiding recovery of the resource. This measure would have the side effect of discouraging the choice of Nephrops as a target species, potentially reducing the fishing mortality even more significantly.

A LEITURA NA BIBLIOTECA PÚBLICA DE ÉVORA: UM CONTRIBUTO PARA A HISTÓRIA DA LEITURA EM PORTUGAL (1887-1921)

A Biblioteca Pública de Évora é uma das mais importantes bibliotecas patrimoniais de Portugal, quer pela sua colecção quer por ter sido uma das primeiras bibliotecas a abrir as portas aos leitores. Neste trabalho analisam-se os dados sobre a leitura na Biblioteca Pública de Évora, entre 1887-1921, em particular o número de lei- tores em cada ano, os livros requisitados, as temáticas mais populares, a leitura de jornais e a comparação entre a leitura pública e a alfabetização da população. Como fontes utilizam-se os dados publicados pelo Anuário Estatístico de Portugal, os livros de registo de leitores e visitantes, os relatórios dos bibliotecários e verbetes de leitura. Esta análise tem como objectivo traçar o perfil do leitor da Biblioteca Pública de Évora e contribuir para a caracterização do público leitor em Portugal na transição do século XIX para o século XX.Abstract: The Public Library of Évora is one of the most important heritage libraries of Portugal, both for its collection either by being one of the first libraries to open the doors to readers. This paper analyzes the data on reading at Public Library of Évora, between 1887-1921, in particular the number of readers in each year, the required books, the most popular themes, reading newspapers and the comparison between the public reading and literacy of the population. It is use as sources the data published by the Statistical Yearbook of Portugal, readers and visitors registration books, reports from librarians and reading entries. This analysis aims to draw the profile of reader at the Public Library of Évora and contribute to the characterization of the reading public in Portugal in the transition of the nineteenth century to the twentieth century.

Purity of Blood and the Curial Market in Iberian Cathedrals

This article analyses the dynamics of accessing cathedral chapters with purity of blood statutes in the Iberian Peninsula, from a comparative perspective, and the interaction with the phenomenon of commodification of ecclesiastical benefices. This phenomenon created a Curial market that was open to any applicant with sufficient economic capacity, regardless of their ancestry. What was the result of the clash between the Iberian concept of purity and the commodified Roman reality?

Calibration of Grassmaster II to estimate green and dry matter yield in Mediterranean pastures: effects of pasture moisture content

Accurate assessment of standing pasture biomass in livestock production systems is a major factor for improving feed planning. Several tools are available to achieve this, including the GrassMaster II capacitance meter. This tool relies on an electrical signal, which is modified by the surrounding pasture. There is limited knowledge on how this capacitance meter performs in Mediterranean pastures. Therefore, we evaluated the GrassMaster II under Mediterranean conditions to determine (i) the effect of pasture moisture content (PMC) on the meter’s ability to estimate pasture green matter (GM) and dry matter (DM) yields, and (ii) the spatial variability and temporal stability of corrected meter readings (CMR) and DM in a bio-diverse pasture. Field tests were carried out with typical pastures of the southern region of Portugal (grasses, legumes, mixture and volunteer annual species) and at different phenological stages (and different PMC). There were significant positive linear relations between CMR and GM (r2 = 0.60, P < 0.01) and CMR and DM (r2 = 0.35, P < 0.05) for all locations (n = 347). Weak relationships were found for PMC (%) v. slope and coefficient of determination for both GM and DM. A significant linear relation existed for CMR v. GM and DM for PMC >80% (r2= 0.57, P < 0.01, RMSE = 2856.7 kg ha–1, CVRMSE=17.1% to GM; and r2= 0.51, P < 0.01,RMSE = 353.7 kg ha–1, CVRMSE = 14.3% to DM). Therefore, under the conditions of this current study there exists an optimum PMC (%) for estimating both GM and DM with the GrassMaster II. Repeated-measurements taken at the same location on different dates and conditions in a bio-diverse pasture showed similar and stable patterns between CMR and DM (r2= 0.67, P < 0.01, RMSE = 136.1 kg ha–1, CVRMSE = 6.5%). The results indicate that the GrassMaster II in-situ technique could play a crucial role in assessing pasture mass to improve feed planning under Mediterranean conditions.