1,721,013 research outputs found

    A first evaluation of the ethnobotanical knowledge in the Amalfi Coast (Southern Italy).

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    A description of an ethnobotanical research carried out in Amalfi Coast with particular emphasys on the evaluation and significance of its traditional knowledge

    In-between soil erosion and sustainable land management: climate aridity and vegetation in a traditional agro-forest system (Costiera Amalfitana, southern Italy)

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    The delineation of bioclimatic areas is a key tool in informing sustainable land management strategies, especially in the light of climate change. It requires an in-depth analysis of climate data but also of the physical and biological factors that affect the distribution of natural vegetation. The present study applies an exploratory data analysis aimed at defining bioclimatic conditions in an area characterized by steep slopes and prone to soil erosion (Amalfi Coast, southern Italy). To this end, we analyzed long-term (1959–1999) monthly rainfall and temperature data measured at 28 gauging stations within the study area using a geographic information system and multivariate statistical tools. Then, we analyzed how the spatial distribution of rainfall and temperature data relates to topography, vegetation cover, and soil erosion. We also derived bioclimatic indicators from the geostatistical analysis. We then identify and comment on drawbacks found in the procedure used in the present study, discussing possible solutions to overcome such problems. We finally discuss the potential contribution of this study to the development of sustainable land management policies for socio-ecological systems with complex topography

    Risk factors and plant management activities for the terraced agricultural systems on the Amalfi coast (Italy): an interdisciplinary approach

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    Cultivated terraces are outstanding modifications of mountains and hills to obtain arable land. These terraced agricultural systems are widespread traditional landscapes within the Mediterranean area. The cultivated terraces of the Amalfi Coast (Southern Italy) are outstanding examples of cultural landscapes, and they represent one of the key descriptors of the UNESCO Site. Terraces have characterized the landscape of the Amalfi Coast for a long time as their construction started during the Middle Age. However, their conservation is now threatened by abandonment, which has dramatically risen in the last 60 years, and by the ongoing climatic changes with the increased incidence of heavy rainfall events. We combined interviews with local farmers and vegetation surveys to understand which management activities are carried out to improve the conservation of cultivated terraces on the Amalfi Coast. To this end, we analyzed the linkages between these management practices and their influence on the vegetation growing on the terrace risers. Our informants identified the maintenance of waterways and walls as crucial factors influencing terrace and slope stability. The preservation of the integrity of terraces depends on periodic vegetation control and the maintenance of water drainage systems, which are carried out thanks to the active presence of farmers. According to our informants, the vegetation growing on the walls has a relevant role in the sta- bility of terraces, and we found a prevalence of Hemicryptophytes that increase with the number of interventions over the year. Thus, active and vital agriculture becomes pivotal for the preservation of this cultural heritage

    Street trees in italian cities: story, biodiversity and integration within the urban environment

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    Since the nineteenth century, street trees have become a significant component of urban landscapes, with multiple ecological roles and social-economic functions. However, data about their abundance and diversity, and information about the criteria used for the species selection, are still limited. Besides providing a historical overview, we analyze and compare data on abundance, diversity and criteria of species selection of street trees in 15 Italian cities chosen considering their representa- tiveness along a bioclimatic transect across Italy. The biodiversity of urban street trees resulted quite rich with 277 species (about 60% are exotic); among these, Platanus × hispanica Mill. ex Münchh., Celtis australis L. and Quercus ilex L. resulted as the most common species. Besides the general suitability for the local climatic conditions, several factors seem to concur in the species selection, such as their aesthetic appeal and dimension. Other selection criteria based on the species’ ecology or functionality were not evident

    Primi risultati sull'inquadramento fitosociologico delle cenosi forestali dei M.ti Lattari (Appennino meridionale, Campania)

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    Descrizione delle principali cenosi forestali rinvenute nel territorio della Penisola Amalfitana, in chiave fitosociologica e sintassonomic

    Combining Statistical Tools and Ecological Assessments in the Study of Biodeterioration Patterns of Stone Temples in Angkor (Cambodia)

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    Biodeterioration is a major problem for the conservation of cultural heritage materials. We provide a new and original approach to analyzing changes in patterns of colonization (Biodeterioration patterns, BPs) by biological agents responsible for the deterioration of outdoor stone materials. Here we analyzed BPs of four Khmer temples in Angkor (Cambodia) exposed to variable environmental conditions, using qualitative ecological assessments and statistical approaches. The statistical analyses supported the findings obtained with the qualitative approach. Both approaches provided additional information not otherwise available using one single method. Our results indicate that studies on biodeterioration can benefit from integrating diverse methods so that conservation efforts might become more precise and effective
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