Search results for "diversity"
showing 10 items of 3950 documents
A comparative analysis of the sustainability of rice cultivation technologies using the analytic network process
2010
Sustainability of local farming systems and technologies is a very important issue that faces notorious measurement difficulties. Multi-criteria methods may help researchers to solve empirical problems in the construction of composite sustainability indicators and in ranking agricultural technologies according to their sustainability. This paper shows how a multi-criteria decision-making technique, the Analytic Network Process (ANP), can be fruitfully employed to this end. Contrary to simpler and hierarchical goal-criteria-alternative approaches, in ANP all the elements in the network can be related in any possible way, which means that a network can incorporate feedback and interdependent …
La narrazione come strumento didattico e di ricerca nell'esperienza di ItaStra
2022
L’obiettivo di questo lavoro è quello di presentare il ruolo della narrazione nel modello didattico e di ricerca della Scuola di lingua italiana per Stranieri dell’Università di Palermo. In particolare, gli autori illustrano i tre pilastri su cui poggia l’impianto narrativo del modello di Itastra: l’autobiografia linguistica (§ 2); i laboratori artistico-narrativi (§ 3); la narrazione come pratica discorsiva metacomuncativa (§ 4). In conclusione del lavoro (§ 5) si evidenzia, da un lato, come la narrazione consenta di ampliare la capacità degli insegnanti di riflettere sulla loro attività didattica; dall’altro come essa contribuisca alla costruzione di una comunità di apprendimento centrata…
Data and code for manuscript: Increasing human environmental footprint does not lead to biotic homogenization of forest bird communities in northern …
2023
R-code and data for replicating statistical analyses used in the study: Increasing human environmental footprint does not lead to biotic homogenization of forest bird communities in northern USA. This study examined how forest loss and increased human domination in the state of Minnesota in the USA were associated with diversity of forest birds using bird count data.
The Giant Butterfly-moths of the Natural History Museum of Wrocław University, Poland, with comments about Friedrich Wilhelm Niepelt and his insect c…
2013
Even though natural history museums are seen by some as rather gloomy places, they are actually repositories of countless treasures and magnificent sources of knowledge. The Museum of Natural History of the University of Wroclaw is no exception. A process to curate all Museum’s Lepidoptera that started in 2012 allowed us to find among its several collections, the one that originally belonged to the renowned entomologist and insect dealer Friedrich Wilhelm Niepelt. Among the few moth groups in such collection 37 specimens within 19 species and 22 taxa of the neotropical giant butterfly-moths (Castniidae) were found. Even though several of those specimens lack detailed collecting information,…
Elemental and microbiota content in indoor and outdoor air using recuperation unit filters
2021
Detection and quantification of engineered nanomaterials in environmental systems require precise knowledge of the elemental composition, association, and ratios in homologous natural nanomaterials (NNMs). Here, we characterized soil NNMs at the single particle level using single particle-inductively coupled plasma-time of flight-mass spectrometer (SP-ICP-TOF-MS) in order to identify the elemental purity, composition, associations, and ratios within NNMs. Elements naturally present as a major constituent in NNMs such as Ti, and Fe occurred predominantly as pure/single metals, whereas elements naturally present at trace levels in NNMs occurred predominantly as impure/multi-metal NNMs such as…
Medicinal and aromatic plants in agricultural research, when considering criteria of multifunctionality and sustainability
2022
Over the last twenty years, agriculture has witnessed significant changes in terms of energy requirements, advanced technologies and practices. This is in response to the impacts of crop production on the climate and environment and increasing awareness of the importance of agricultural sustainability through organic farming. Agriculture encompasses complex production systems and certain aspects of multifunctionality and sustainability have become fundamental for these systems. Agricultural activity can provide various functions in agro-ecosystems, such as producing food, managing natural resources, and conserving landscape and plant biodiversity; contributing to the cultural, historical an…
I fattori di rischio per la biodiversità forestale in Sicilia: il caso studio del cerro di Gussone
2011
Il cerro di Gussone (Quercus Gussonei (Borzì) Brullo) è una specie endemica della Sicilia esclusiva della catena dei Nebrodi e del bosco della Ficuzza. Il presente studio ha esaminato la rinnovazione di questa pianta, nella Riserva Naturale Orientata “Bosco della Ficuzza, Rocca Busambra, Bosco del Cappelliere, Gorgo del Drago”. Si tratta di una formazione boschiva monoplana che mostra chiari segni di deperimento. Per isolare i fattori che influenzano la rinnovazione e la crescita delle giovani piantine è stato eseguito un piano di trattamenti. Il risultato dello studio ha confermato che la rinnovazione si afferma in parte e, soprattutto, le giovani piantine non si accrescono a causa della p…
The late Late Albian (Mortoniceras fallax Zone) cephalopod fauna from the Bracquegnies formation at Strépy-Thieu (Hainaut, southern Belgium).
2016
Excavations in 1989-1990 for the construction of a boat lift near the villages of Strépy and Thieu, east of Mons (province of Hainaut, southern Belgium), exposed a 40-metre section of the Bracquegnies Formation (Haine Green Sandstone Group; the ‘Meule de Bracquegnies’ of previous authors). Several hundred well-preserved, silicified cephalopods were collected from between 15 and 35 metres above the base of the sequence temporarily exposed there. The fauna is: Eutrephoceras clementianum (d’Orbigny, 1840), Puzosia (Puzosia) mayoriana (d’Orbigny, 1841), Callihoplites tetragonus (Seeley, 1865), Discohoplites valbonnensis valbonnensis (Hébert & Munier-Chalmas, 1875), Cantabrigites cantabrigense S…
Społeczeństwa sieci a zróżnicowanie kulturowe. Socjologiczna analiza relacji
2017
The contemporary world can be characterized by the gradual increase in cultural diversity, which results from a variety of global processes. The shrinking of time and space brought together groups of people who represent a multitude of sometimes distant cultures. This cultural diversity is incorporated into the fabric of societies which operate at different levels of cultural development, including network societies. Thus, the aim of the following article is to present the relationship between cultural diversity and network society. In the first decades of the 21st century, our civilization experienced a huge technological revolution which led to an increase in the flow and volume of the tr…
Description and phylogenetic relationships of a new species of treefrog of theOsteocephalus buckleyispecies group (Anura: Hylidae)
2020
The Osteocephalus buckleyi species group is widely distributed in primary and secondary forests of the Amazon Basin and Guiana Region. Based on integrative analysis, including morphological and genetic data, we estimate the phylogenetic relationships and species boundaries among populations of the Osteocephalus buckleyi group from the Ecuadorian Amazon, focusing on the O. verruciger-O. cannatellai species complex. Our results uncovered the existence of one confirmed candidate species from Sangay National Park and one unconfirmed candidate species. Here, we describe the new species which is morphologically and ecologically distinct from other Osteocephalus species. The new species is unusual…