10,075 research outputs found

    Citizen participation in the Plan for the Recovery of the Gomera Giant Lizard

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    [Resumo] Este programa forma parte do Proxecto Life denominado “Plano de Recuperación do Lagarto Xigante da Gomera”, cofinanciado pola Unión Europea, Ministerio de Medio Ambiente, Goberno de Canarias e Cabido Insular da Gomera.[Abstract] This programme forms a part of the Life Project entitled “Plan for the Recovery of the Gomera Giant Lizard” which is co-financed by the European Union, the Ministry of the Environment and the Government of the Canary Islands and the Island Council of La Gomera

    Cultural realignment, islands and the influence of tourism: A new conceptual approach

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    This article introduces a new concept: ‘cultural realignment’, which embraces phenomena such as cultural representation, interpretation, stereotyping and branding. Cultural realignment is the intentional depiction or interpretation of a culture (or part of one) for a specific preconceived purpose. It relates directly to power, and there is a need for this broad concept to help comprehend processes in an era of increasing globalisation, the growth of cultural commodification and the proliferation of representations in media including the internet. A prime concern of the article is the way that cultural realignment impacts on the identities of the communities subject to the realignment. The main examples given relate to island communities and their representation by anthropologists, and to island tourist destinations that have been subject to various descriptions, physical transformations and commodification driven by the tourism industry. A case study is examined as an example in the Canary Islands, using original research material related to recent and longitudinal fieldwork

    On the Staphylinidae of La Gomera (Canary Islands), with descriptions of four new species (Coleoptera).

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    Bei Freilanduntersuchungen auf der Insel La Gomera wurden mehr als 45 Staphylinidenarten nachgewiesen, davon mindestens 31 Kanarenendemiten oder Inselendemiten von La Gomera. Vier Arten, allesamt sehr wahrscheinlich Inselendemiten, werden beschrieben und von nahverwandten Taxa unterschieden: Micropeplus gomerensis sp. n., Leptobium gomerense sp. n., Oligota stefaniae sp. n. und Alevonota sollemnis sp. n. Die Genitalien sowie weitere Differentialmerkmale werden abgebildet.StichwörterColeoptera, Staphylinidae, Micropeplus, Leptobium, Oligota, Alevonota, Palaearctic, Canary Islands, La Gomera, taxonomy, new species, endemism.Nomenklatorische Handlungensollemnis Assing, 1999 (Alevonota), spec. n.gomerense Assing, 1999 (Leptobium), spec. n.gomerensis Assing, 1999 (Micropeplus), spec. n.stefaniae Assing, 1999 (Oligota), spec. n.The results of a field trip to La Gomera are presented. More than 45 species of Staphylinidae were recorded, at least 31 of them either Canarian endemics or island endemics of La Gomera. Four species, all of them presumably island endemics, are described and distinguished from related taxa: Micropeplus gomerensis sp. n., Leptobium gomerense sp. n., Oligota stefaniae sp. n., and Alevonota sollemnis sp. n. Their sexual characters and further distinguishing characters are figured.KeywordsColeoptera, Staphylinidae, Micropeplus, Leptobium, Oligota, Alevonota, Palaearctic, Canary Islands, La Gomera, taxonomy, new species, endemism.Nomenclatural Actssollemnis Assing, 1999 (Alevonota), spec. n.gomerense Assing, 1999 (Leptobium), spec. n.gomerensis Assing, 1999 (Micropeplus), spec. n.stefaniae Assing, 1999 (Oligota), spec. n

    Ökologische Bewertung von Bächen auf La Gomera und Teneriffa (Spanien) – ein methodischer Ansatz zur Einschätzung von Renaturierungsmaßnahmen bei der Umsetzung der EU-Wasserrahmenrichtlinie

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    In recent decades, the number of streams on the Canary Islands has decreased dramatically due to the non-sustainable consumption of water for agriculture and tourism. Natural reaches of streams with an endemic macroinvertebrate fauna do, however, still exist in protected areas of Tenerife and La Gomera. Those reaches serve as a reference to develop an assessment method for streams on islands. This method takes into account common parameters such as water quality and hydromorphology, while emphasizing biodiversity and endemism. The latter concepts as they relate to stream conservation are important in both nature conservation and protection of species as many endemic aquatic organisms are endangered.In den letzten Jahrzehnten ist die Zahl der Fließgewässer auf den Kanarischen Inseln drastisch zurückgegangen. Ursache dafür ist eine sehr hohe Wasserentnahme für Landwirtschaft und Tourismus, die das nachhaltig nutzbare Dargebot bei weitem überschreitet. Dennoch existieren in besonders geschützten Bereichen der Inseln Teneriffa und La Gomera noch naturnahe Abschnitte von Fließgewässern mit Elementen endemischer Makroinvertebraten-Fauna. Diese Abschnitte dienen als Referenzgewässer für die Entwicklung eines spezifischen Bewertungssystems für Fließgewässer auf Inseln. Dieses System berücksichtigt die üblichen Qualitätsparameter wie Wassergüte und Hydromorphologie, hebt aber die Biodiversität und den inseltypischen Endemismus besonders hervor. Die daraus resultierenden Gewässerentwicklungskonzepte stellen ein entscheidendes Instrument des Natur- und Artenschutzes dar, da viele der endemischen Gewässerorganismen vom Aussterben bedroht sind

    Power, culture and the production of heritage

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    Canary Islands geology

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    Un nuevo refugio para Simulium (Rubzovia) paraloutetense Crosskey, 1988 (Diptera: Simuliidae) en La Gomera (Islas Canarias)

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    Given the destruction of the only previously known locality of S. paraloutetense Crosskey 1988 on Gran Canaria, the discovery of a young larva in a spring brook on La Gomera is of special faunistic importance. The determination was difficult as there are no clear diagnostic characters for young larvae; plausible differentiation from the similar species was, however, possible. Bionomic information about the distribution and ecology of other simuliid species on La Gomera are given.Debido a la destrucción de la única localidad conocida anteriormente de S. paraloutetense Crosskey, 1988 en Gran Canaria, el descubrimiento de una larva joven en un arroyo primaveral de La Gomera reviste una especial importancia faunística. La determinación fue difícil ya que no hay caracteres diagnósticos claros para las larvas jóvenes; sin embargo, fue posible una diferenciación plausible de especies similares. Se proporciona información bionómica sobre la distribución y ecología de otras especies de simúlidos en La Gomera

    Ácaros Fitoseidos de las islas Canarias (Acari, Phytoseiidae). II. Tenerife y La Gomera

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    Phytoseiid mites (Acari, Phytoseiidae) inhabiting plants in natural ecosystems from Tenerife and La Gomera islands (Canary Islands) have been studied. Surveys were conducted from 1997 to 2002. Eleven species were collected, one of them being reported for the first time from the Canary Islands and six of them reported for the first time from Tenerife and La Gomera islands. Euseius machadoi n. sp. collected from woody plants in the Canarian laurisilva is proposed as a new species.En muestreos realizados desde 1997 hasta 2002 se ha estudiado la fauna de ácaros fitoseidos (Acari, Phytoseiidae) asociada a plantas de ecosistemas naturales de las islas de Tenerife y La Gomera (Islas Canarias). Se han recolectado un total de 11 especies, siendo una de ellas citada por vez primera en las islas Canarias y seis de ellas citadas por primera vez en las islas de Tenerife y La Gomera. Euseius machadoi n. sp., recolectado en plantas leñosas de la laurisilva canaria, se propone como una nueva especie

    Improving the 14c dating of marine shells from the Canary Islands for constructing more reliable and accurate chronologies

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    Radiocarbon dating of closely associated marine mollusk shells and terrestrial material (charred wood or bone) collected from archaeological contexts on Tenerife and Fuerteventura islands allowed us to quantify the marine C-14 reservoir effect (Delta R) around the Canary Archipelago. Coastal Fuerteventura has a positive weighted mean Delta R value of +185 +/- 30 C-14 yr, while for Tenerife a range of negative and positive values was obtained, resulting in a Delta R weighted mean value of 0 +/- 35 C-14 yr. These values are in accordance with the hydrodynamic system present off the Canary Islands characterized by a coastal upwelling regime that affects the eastern islands (Fuerteventura and Lanzarote) but not the other islands of the archipelago, namely Tenerife. Because of this oceanographic pattern, we recommend the extrapolation of these results to the remaining islands of the archipelago, i.e. the first value must be used for the eastern islands, while for the central and western islands the acceptable Delta R value is 0 +/- 35 C-14 yr

    Utilization of chicken manure as organic fertilizer to increase growth and production Elephant grass (Pennisetum purpureum)

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    This study aims to determine the level of growth and production of  Pennisetum purpureum which is given organic fertilizer based on chicken manure with different proportions. This research was carried out on land belonging to the Independent Farmers group in Leosama village, Kakuluk Mesak sub-district, Belu Regency, East Nusa Tenggara, which started from March to June 2022. This research was carried out using the experimental method with a Randomized Block Design (RDB) consisting of 4 treatments and 4 replications so that there are 16 experimental plots in total. The treatments tested consisted of: K) Control (without chicken manure); PA) Pennisetum purpureum is given organic fertilizer made from 25% chicken manure; PB) Pennisetum purpureum is given organic fertilizer made from 50% chicken manure; and PC) Pennisetum purpureum fertilized with organic fertilizer made from 75% chicken manure. The results showed that the application of organic fertilizers made from chicken manure had a very significant effect (p<0.01) on the growth of plant height, number of leaves and leaf length as well as the fresh weight and dry weight of Pennisetum purpureum plants. The conclusion of this study is the use of organic fertilizers made from chicken manure up to 75% is the best in increasing the growth and production of  Pennisetu
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