Results 21 to 30 of about 8,710 (220)

No saturation in the accumulation of alien species worldwide

open access: yesNature Communications, 2017
Although research on human-mediated exchanges of species has substantially intensified during the last centuries, we know surprisingly little about temporal dynamics of alien species accumulations across regions and taxa. Using a novel database of 45,813
H. Seebens   +44 more
semanticscholar   +1 more source

Kommentar

open access: yesEtikk i Praksis: Nordic Journal of Applied Ethics, 2009
I dette nummeret av Etikk i Praksis belyses et etisk dilemma om premiering eller sanksjoner for deltakelse/ikke-deltakelse i nasjonale screeningprogram for kreft, i artikkelen «En etisk diskussion af screening for kræftsygdomme» av John Brodersen, Peter ...
Geir Hoff
doaj   +1 more source

Scientists’ warning – The outstanding biodiversity of islands is in peril

open access: yesGlobal Ecology and Conservation, 2021
Despite islands contributing only 6.7% of land surface area, they harbor ~20% of the Earth’s biodiversity, but unfortunately also ~50% of the threatened species and 75% of the known extinctions since the European expansion around the globe.
J. Fernández-Palacios   +10 more
semanticscholar   +1 more source

Computer aided three-dimensional reconstruction of the buckwheat (Fagopyrum esculentum Moench) seed morphology

open access: yesActa Agriculturae Slovenica, 1999
The position, shape and size of the embryo in buckwheat seed were not yet resolved, although they were studied by several authors. In this study we used computer aided three-dimensional reconstruction to analyse the two-dimensional images obtained by ...
Marko KREFT, Samo KREFT
doaj   +1 more source

20 Jahre FoRuM Supervision - Ein Rückblick

open access: yesForum Supervision, 2012
Als Mit-Gründerirr und Mit-Herausgeberirr von FoRuM Supervision übernimmt Angelica Lehmenkühler-Leuschner im ersten Teil die Aufgabe, Aspekte der geschichtlichen Entwicklung der Anfänge von FoRuM Supervision und wichtige Institutionalisierungsprozesse ...
Angelica Lehmenkühler-Leuschner   +1 more
doaj   +1 more source

Global patterns and climatic controls of forest structural complexity

open access: yesNature Communications, 2021
The complexity of forest structures plays a crucial role in regulating forest ecosystem functions and strongly influences biodiversity. Yet, knowledge of the global patterns and determinants of forest structural complexity remains scarce.
Martin Ehbrecht   +17 more
semanticscholar   +1 more source

Kontrollert emosjonell frivillighet: Dilemmaer ved brukerorientert ulønnet arbeid

open access: yesTidsskrift for velferdsforskning
Frivillige og ideelle organisasjoner blir i stadig større grad benyttet for å yte omsorg i befolkningen, der offentlige tjenester eller familie ikke strekker til.
Maja Joner Ognedal   +3 more
doaj   +1 more source

A METAPHORICAL DESCRIPTION OF ORGANIZATION IN THE MANAGEMENT AND MARKETING OF SERVICE COMPANIES

open access: yesNowoczesne Systemy Zarządzania, 2016
The aim of the article is to indicate the significance of metaphors in a description of activities performed by an organisation, and to present the selected metaphors applied in management and marketing of service companies, with particular consideration
Monika BOGUSZEWICZ-KREFT, Jan KREFT
doaj   +1 more source

A Single-Cell Transcriptome Atlas of the Aging Drosophila Brain

open access: yesCell, 2018
Summary The diversity of cell types and regulatory states in the brain, and how these change during aging, remains largely unknown. We present a single-cell transcriptome atlas of the entire adult Drosophila melanogaster brain sampled across its lifespan.
K. Davie   +23 more
semanticscholar   +1 more source

Modeling and simulation of heat production in a local heating installation including a batch-fired straw boiler with a buffer tank

open access: yesHeliyon, 2020
The paper presents the problem of modeling and simulation of thermal energy generation in a batch-fired straw boiler combined with a buffer tank. The batch-fired straw boiler in concern have a combustion chamber and a water jacket.
Wojciech Kreft
doaj   +1 more source

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