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Publications (10 of 35) Show all publications
Leidenberger, S., Wiese, V., Schaumann, F., Pleiss, F., Langen, K. & Bourlat, S. J. (2025). Freshwater mollusc community screening - Classical and eDNA monitoring methods to detect rare, indicator and invasive species. Science of the Total Environment, 958, Article ID 177763.
Open this publication in new window or tab >>Freshwater mollusc community screening - Classical and eDNA monitoring methods to detect rare, indicator and invasive species
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2025 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 958, article id 177763Article in journal (Refereed) Published
Abstract [en]

Freshwater habitats and their quality have always been of utmost importance for human subsistence. Water quality assessment is an important tool, covering biological, chemical and hydromorphological aspects. Bioindicators such as the bivalves can be used as evidence for good water quality, but widespread groups such as species of the family Sphaeriidae Deshayes,1855 (1822) and genus Pisidium/Euglesa/Odhneripidisium also known as ‘pea clams’ are poorly known and lack taxonomic expertise. The situation is similar for many other benthic macroinvertebrate species used in biomonitoring. In this study, we tested if pea clams can be detected using eDNA metabarcoding methods applied to sediment and plankton samples from 15 lakes and rivers in Sweden. Additionally, we detected benthic macroinvertebrates, so-called indicator species used in freshwater monitoring, as well as rare or red-listed and invasive species. We created a COI reference barcode library of 22 species of Swedish freshwater molluscs, of which one species is new, and five species have less than five records on NCBI and BOLD. From 272 sediment and plankton samples, we detected 497 benthic macroinvertebrate indicator species, 20 mollusc species and 3 invasive species in 15 freshwater environments in Sweden using eDNA metabarcoding. We show that one of the sediment sampling methods (M42) can detect slightly more species in autumn compared to the plankton or sediment kick-net methods, or to collecting samples in spring. A clear advantage is that biological water quality indices formerly calculated using taxa identified to the family level can now be calculated using the species level, giving higher precision. We suggest that future freshwater monitoring efforts can be greatly improved and sped up through large-scale and strategic habitat screening using barcoding and metabarcoding methods to support decision-making and help fulfill the goals of the UN 2030 Agenda.

Place, publisher, year, edition, pages
Elsevier, 2025
National Category
Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-24771 (URN)10.1016/j.scitotenv.2024.177763 (DOI)39644641 (PubMedID)2-s2.0-85211079026 (Scopus ID)
Funder
Swedish Research Council Formas
Note

CC BY 4.0

Corresponding author: E-mail address: Sonja.Leidenberger@his.se (S. Leidenberger).

This study was financed by the Swedish research council for sustainable development FORMAS End biodiversity loss through improved tracking of threatened invertebrates (grant nr. 2018-01003, 2019-2023). We want to thank U. Bjelke, Swedish Species Information Centre, SLU, Sweden for different information about freshwater monitoring in Sweden. We thank A. Jonsson, University of Skövde, Sweden, for assistance during field sampling. We thank B. Nümann, A. Scherges, L. von der Mark and C. Etzbauer, LIB Museum Koenig, Bonn, Germany, for assistance in the molecular lab. We thank T. von Proschwitz of Gothenburg Natural History Museum, Sweden for bivalve reference material from the museum, help with the storage of our material and insider knowledge about this special bivalve group. The manuscript was improved by the comments of two unknown reviewers.

Available from: 2024-12-09 Created: 2024-12-09 Last updated: 2025-01-14Bibliographically approved
Perichon, S., Adamchuk, L., Biber, L., Božič, J., Chlebo, R., Filipi, J., . . . Zacepins, A. (2024). Advice on how to start beekeeping, memories with bees and the uses of honey: results of an online questionnaire with European beekeepers. Journal of Apicultural Research, 1-16
Open this publication in new window or tab >>Advice on how to start beekeeping, memories with bees and the uses of honey: results of an online questionnaire with European beekeepers
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2024 (English)In: Journal of Apicultural Research, ISSN 0021-8839, E-ISSN 2078-6913, p. 1-16Article in journal (Refereed) Epub ahead of print
Abstract [en]

Beekeeping is a demanding activity that requires both particular human qualities from those who practise it and an environment that is favourable to bees. This is why the interviewed beekeepers advise to take time to think before starting to keep the bees, to find a mentor, and to always have the desire to get to know the bees even if this is not enough for success. In Northern and Western Europe, beekeepers consider patience and calmness as essential qualities to be a “good beekeeper”, while in Southern Europe, passion for bees is the main driver of success. The reasons for abandonment or failure also include human and environmental factors. To better understand the relationship between beekeepers and their bees, interviewees were encouraged to share their best memories. With years of experience, contemplative memories fade into memorable situations in which bee practices are described, and then in turn, they fade into moments of sociability. Honey harvesting plays an important role. Productive considerations are more expressed in Southern Europe, where it is an exceptional harvest that marks on people’s minds, more than the first honey harvest. The strong connection to their bees and the territory they live in is also expressed in the choice of their favourite honey. Many beekeepers mentioned the local honey production, which they are proud to produce with their own bees, even though they sometimes became criticized for a too high price for this local product.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2024
Keywords
Apis mellifera, beekeeping, perception, online questionnaire, Europe
National Category
Ethnology Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23934 (URN)10.1080/00218839.2024.2361965 (DOI)001244677500001 ()2-s2.0-85195535630 (Scopus ID)
Note

Published online: 11 Jun 2024

Taylor & Francis Group an informa business

CONTACT Samuel Perichon sa.perichon@gmail.com

Available from: 2024-06-12 Created: 2024-06-12 Last updated: 2024-07-11Bibliographically approved
Schaumann, F., Norrström, N., Niklasson, M. & Leidenberger, S. (2024). Ecological comparison of native (Apis mellifera mellifera) and hybrid (Buckfast) honeybee drones in southwestern Sweden indicates local adaptation. PLOS ONE, 19(8), Article ID e0308831.
Open this publication in new window or tab >>Ecological comparison of native (Apis mellifera mellifera) and hybrid (Buckfast) honeybee drones in southwestern Sweden indicates local adaptation
2024 (English)In: PLOS ONE, E-ISSN 1932-6203, Vol. 19, no 8, article id e0308831Article in journal (Refereed) Published
Abstract [en]

Honeybee drones’ only known task is to mate with a virgin queen. Apart from their mating behaviour, their ecology has been little studied, especially in comparison to honeybee females. Previous knowledge is primarily based on short-term direct observations at single experimental hives, rarely, if ever, addressing the effect of drones’ genetic origin. Here, Radio Frequency Identification Technology was utilised to gather drone and worker bee lifetime data of Apis mellifera mellifera and Apis mellifera x (hybrid Buckfast) colonies over one mating season (spring and summer) with the ultimate goal to investigate differences at subspecies level. This technique enabled continuous monitoring of tagged bees at the hive entrance and recording of individuals’ movement directions. The results confirmed that spring-born drones survive longer than summer-born drones and that they generally live longer than worker bees. Drones’ peak activity occurred in the afternoon while worker bees showed more even activity levels throughout the day. Earlier orientation flights than usually reported for drones were observed. In summer, mating flights were practiced before reaching sexual maturity (at 12 days of age). Differences were found between Apis m. mellifera and Buckfast drones, where Apis m. mellifera showed later drone production in spring, but significantly earlier first activities outside the hive in summer and a later peak in diurnal activity. Additionally, Apis m. mellifera flew more in higher light intensities and windy conditions and performed significantly longer flights than Buckfast drones. The observed differences in drone ecology indicate the existence of a local adaptation of the native subspecies Apis m. mellifera to environmental conditions in southwestern Sweden.

Place, publisher, year, edition, pages
Public Library of Science (PLoS), 2024
National Category
Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-24426 (URN)10.1371/journal.pone.0308831 (DOI)001290862100014 ()39137198 (PubMedID)2-s2.0-85201164880 (Scopus ID)
Funder
Interreg Sweden-Norway, 20201923
Note

CC BY 4.0

finjaschaumann@web.de

NN, MN and SL were funded by the EU-financed INTERREG Sweden-Norway programme - European structural and Investments Funds in Sweden (2014-2020) (grant-nr. 20201923) with the Swedish title "BIstånd till nordiska bin – unik resurs för framtidens ekosystemtjänster" (https://www.interreg-sverige-norge.com/?portfolio=bistand-till-nordiska-bin-unik-resurs-for-framtidens-ekosystemtjanster), the funders did not play a role in the study design, data collection, analysis, publish decision or preparation of the manuscript.

Available from: 2024-08-14 Created: 2024-08-14 Last updated: 2024-10-09Bibliographically approved
Perichon, S., Adamchuk, L., Biber, L., Bozic, J., Chlebo, R., Filipi, J., . . . Zacepins, A. (2024). Perception of threats to bee colonies and the future of local beekeeping by beekeepers in various European countries: [Perception des menaces pour les colonies d’abeilles et futur de l’apiculture locale envisagé par des apiculteurs dans différents pays d’Europe]. Bulletin de la Société Géographique de Liège, 82, 19-46
Open this publication in new window or tab >>Perception of threats to bee colonies and the future of local beekeeping by beekeepers in various European countries: [Perception des menaces pour les colonies d’abeilles et futur de l’apiculture locale envisagé par des apiculteurs dans différents pays d’Europe]
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2024 (English)In: Bulletin de la Société Géographique de Liège, ISSN 0770-7576, Vol. 82, p. 19-46Article in journal (Refereed) Published
Abstract [en]

In Europe, the honey bee (Apis mellifera) has been confronted by multiple threats often linked to human activities. An online survey was spread between September 2021 and March 2022 among 2,111 beekeepers. The results showed that beekeepers are powerless to deal with threats. They believe that man-made problems can be mitigated or eliminated through authorities. Bee colonies suffer under parasites, predators or declining natural resources. In Southern Europe, it becomes increasingly difficult to keep bees. The situation is in contrast to that described for Northern Europe, especially Iceland, where threats are almost non-existent. This North/South duality is also evident when describe future perspectives in their region. The uncertainty of production can lead to a negative outlook for certain people, especially because selling honey is a motivation, but others have a positive outlook for the future.

Abstract [fr]

En Europe, l’abeille domestique (Apis mellifera) est confrontée à de multiples menaces souvent liées aux activités humaines. Une enquête en ligne a été diffusée entre septembre 2021 et mars 2022 auprès de 2 111 apiculteurs. Les résultats ont montré que les apiculteurs sont souvent impuissants face aux menaces. Certains pensent que les problèmes causés par l’homme peuvent être atténués ou éliminés par les autorités. D’autres sont plus préoccupés par les menaces naturelles telles que les parasites, les prédateurs ou le déclin des ressources naturelles. Dans le sud de l’Europe, il devient de plus en plus difficile d’élever des abeilles. Cette situation contraste avec celle décrite pour l’Europe du Nord, en particulier l’Islande, où les menaces sont presque inexistantes. Cette dualité Nord/Sud est également évidente lorsqu’il s’agit de décrire les perspectives d’avenir dans leur région. Les incertitudes de la production conduisent les uns à une perspective négative aussi parce que vendre du miel est une motivation, tandis que les autres voient l’avenir de manière positive.

Place, publisher, year, edition, pages
Geographical Society of Liège, 2024
Keywords
Apis mellifera, Beekeeping, perception, questionnaire survey, Europe, Apis mellifera, apiculture, perception, questionnaire, Europe
National Category
Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23874 (URN)10.25518/0770-7576.7229 (DOI)
Note

CC BY-NC-ND

Available from: 2024-05-23 Created: 2024-05-23 Last updated: 2024-10-02Bibliographically approved
Niklasson, M., Svensson, E., Leidenberger, S., Norrström, N. & Crawford, E. (2024). Vårt inhemska honungsbi. Bitidningen (3), 22-23
Open this publication in new window or tab >>Vårt inhemska honungsbi
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2024 (Swedish)In: Bitidningen, ISSN 0006-3886, no 3, p. 22-23Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [sv]

Honungsbiets naturliga hemvist är framförallt det ihåliga trädet, det känner nog nästan alla till, kanske också av egen erfarenhet.

Place, publisher, year, edition, pages
Sveriges Biodlares Riksförbund, 2024
National Category
Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23671 (URN)
Available from: 2024-03-21 Created: 2024-03-21 Last updated: 2025-01-03Bibliographically approved
Bourlat, S. J., Tschan, G. F., Martin, S., Iqram, M. & Leidenberger, S. (2023). A red listing gap analysis of molluscs and crustaceans in Northern Europe: What has happened in the last 10 years?. Biological Conservation, 286, Article ID 110247.
Open this publication in new window or tab >>A red listing gap analysis of molluscs and crustaceans in Northern Europe: What has happened in the last 10 years?
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2023 (English)In: Biological Conservation, ISSN 0006-3207, E-ISSN 1873-2917, Vol. 286, article id 110247Article in journal (Refereed) Published
Abstract [en]

At the current rates of species extinction on a global level, Red List assessments need to speed up to inform conservation management in a timely manner. This study analyzed the progress made over the last 10 years in red listing aquatic invertebrates in Northern Europe. A survey of 43 freshwater molluscs and 1492 marine crustaceans was carried out for their Red List status in twelve countries during a twenty year interval (2003−2022). Our survey demonstrated that many countries have no national Red List or outdated Red Lists for the freshwater molluscs and only four countries have assessed their existing crustacean species. Alarmingly, we find 13 % fewer occurrence records for the crustaceans and 48 % fewer records for the freshwater molluscs in GBIF in the last 10 years (2013−2022) than in the 10 years previously (2003−2012). A barcode gap analysis reveals more barcodes for the 16S gene (77 %) than for the COI gene (63 %) for the freshwater molluscs and even fewer barcodes for the marine crustaceans (17 % for 16S and 40 % for the COI gene). With the current methods, regular comprehensive red listing of aquatic invertebrates is unrealistic. Here we present a set of scripts that allow automated occurrence and barcode gap analyses on unrepresented species groups. Finally, we discuss ways to increase the number of occurrence records and speed up red listing under existing European frameworks through whole community screening of ecosystems using molecular and other emerging tools.

Place, publisher, year, edition, pages
Elsevier, 2023
Keywords
Aquatic invertebrates, Conservation status, IUCN Red List, Occurrence records, Threatened species, Barcode gap analysis
National Category
Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23196 (URN)10.1016/j.biocon.2023.110247 (DOI)001074380500001 ()2-s2.0-85170109079 (Scopus ID)
Funder
Swedish Research Council Formas, 2018-01003Swedish Research Council Formas, 2019-2023
Note

CC BY 4.0

Available online 5 September 2023

Corresponding author: E-mail address: Sonja.Leidenberger@his.se (S. Leidenberger).

This study was financed by the Swedish research council for sustainable development FORMAS End biodiversity loss through improved tracking of threatened invertebrates (grant nr. 2018-01003, 2019-2023). MI was financed by Erasmus+ 2020-2021 HE traineeships (grant nr. 1661, 2020-2021).

Available from: 2023-09-08 Created: 2023-09-08 Last updated: 2024-07-03Bibliographically approved
Niklasson, M., Svensson, E., Leidenberger, S., Norrström, N. & Crawford, E. (2023). Free-living colonies of native honey bees (Apis mellifera mellifera) in 19th and early 20th century Sweden. Journal of Insect Conservation
Open this publication in new window or tab >>Free-living colonies of native honey bees (Apis mellifera mellifera) in 19th and early 20th century Sweden
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2023 (English)In: Journal of Insect Conservation, ISSN 1366-638X, E-ISSN 1572-9753Article in journal (Refereed) Published
Abstract [en]

Little information exists on the history and ecology of free-living colonies of European honey bees (Apis mellifera L.) in Europe, including its dark north-western subspecies (Apis mellifera mellifera). Our aim was to investigate the presence of colonies of free-living, native honey bees (A. m. mellifera) during the last two centuries in Sweden. For this we examined systematic interviews of beekeepers (176 answers from 158 questionnaires) performed in the years 1928–1981, with information dating back to the early 1800s. An overwhelming majority of answers (96%) confirmed the past presence of free-living colonies of honey bees in Sweden. While some stated that free-living colonies were simply absconded swarms from managed hives, the majority of interviewees (69%) believed that free-living colonies were of a truly wild origin. A decreasing trend in first-hand accounts of free-living colonies suggests that free-living populations underwent a dramatic decline at the end of the 19th century. This was also expressed in words by many interviewees, who in 14 cases stated that the loss of old forests and tree-cavity nest sites at the end of the 1800s was the primary cause of the decline. Direct accounts of perennial, free-living colonies, combined with detailed descriptions of the collection of large free-living colonies and/or wild honey, is strong evidence of free-living honey bees being well adapted to winter survival. These accounts contradict the officially supported view that the honey bee is a recently imported, domesticated, non-native species in Sweden. The results give a scientific underpinning and provide inspiration for the restoration of native forests which could facilitate populations of free-living colonies of A. m. mellifera exposed to natural selection. This could potentially lead to its return as a fully wild species. In an uncertain future, allowing for a natural lifestyle could increase resilience and reinstate characteristics that are otherwise lost in honey bees due to the increasing effects of artificial trait selection.

Place, publisher, year, edition, pages
Springer Nature, 2023
Keywords
Free-living honey bees, Apis mellifera, Apis mellifera mellifera, Wild honey bees, Old-growth forests, Hollow trees, Rewilding
National Category
Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23437 (URN)10.1007/s10841-023-00541-4 (DOI)001117287400001 ()2-s2.0-85178902669 (Scopus ID)
Projects
Bistånd till Nordiska bin
Funder
Swedish University of Agricultural SciencesInterreg, 2020–1923
Note

CC BY 4.0

Mats Niklasson mats.niklasson@nordensark.se

Published: 07 December 2023

Open access funding provided by Swedish University of Agricultural Sciences. This work was financially supported by INTERREG project 2020–1923 “Bistånd till Nordiska bin” to MN, NN, SL and Trädgårdsresan (MN, EC). Milkywire provided financial support to MN for conservation of the Nordic Bee.

Available from: 2023-12-07 Created: 2023-12-07 Last updated: 2024-04-15Bibliographically approved
Sromek, L., Ylinen, E., Kunnasranta, M., Maduna, S. N., Sinisalo, T., Michell, C. T., . . . Nyman, T. (2023). Loss of species and genetic diversity during colonization: Insights from acanthocephalan parasites in northern European seals. Ecology and Evolution, 13(10), Article ID e10608.
Open this publication in new window or tab >>Loss of species and genetic diversity during colonization: Insights from acanthocephalan parasites in northern European seals
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2023 (English)In: Ecology and Evolution, E-ISSN 2045-7758, Vol. 13, no 10, article id e10608Article in journal (Refereed) Published
Abstract [en]

Studies on host–parasite systems that have experienced distributional shifts, range fragmentation, and population declines in the past can provide information regarding how parasite community richness and genetic diversity will change as a result of anthropogenic environmental changes in the future. Here, we studied how sequential postglacial colonization, shifts in habitat, and reduced host population sizes have influenced species richness and genetic diversity of Corynosoma (Acanthocephala: Polymorphidae) parasites in northern European marine, brackish, and freshwater seal populations. We collected Corynosoma population samples from Arctic, Baltic, Ladoga, and Saimaa ringed seal subspecies and Baltic gray seals, and then applied COI barcoding and triple-enzyme restriction-site associated DNA (3RAD) sequencing to delimit species, clarify their distributions and community structures, and elucidate patterns of intraspecific gene flow and genetic diversity. Our results showed that Corynosoma species diversity reflected host colonization histories and population sizes, with four species being present in the Arctic, three in the Baltic Sea, two in Lake Ladoga, and only one in Lake Saimaa. We found statistically significant population-genetic differentiation within all three Corynosoma species that occur in more than one seal (sub)species. Genetic diversity tended to be high in Corynosoma populations originating from Arctic ringed seals and low in the landlocked populations. Our results indicate that acanthocephalan communities in landlocked seal populations are impoverished with respect to both species and intraspecific genetic diversity. Interestingly, the loss of genetic diversity within Corynosoma species seems to have been less drastic than in their seal hosts, possibly due to their large local effective population sizes resulting from high infection intensities and effective intra-host population mixing. Our study highlights the utility of genomic methods in investigations of community composition and genetic diversity of understudied parasites.

Place, publisher, year, edition, pages
John Wiley & Sons, 2023
Keywords
Acanthocephala, genetic diversity, phylogeography, population bottlenecks, population genomics, seal parasites, ecological genetics, population genetics
National Category
Ecology Zoology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-23320 (URN)10.1002/ece3.10608 (DOI)001086183100001 ()37869427 (PubMedID)2-s2.0-85174587030 (Scopus ID)
Funder
Academy of Finland, 294466
Note

CC BY 4.0

Correspondence: Ludmila Sromek, Institute of Oceanography, University of Gdansk, Al. Marszalka Pilsudskiego 46, 81-378 Gdynia, Poland. Email: ludmila.sromek@ug.edu.pl

Funding for this work was provided by the National Science Centre (NCN), Poland (grant number 2019/32/C/NZ8/00335 to LS), the Academy of Finland (project number 294466 to TN), and the Norwegian Biodiversity Information Centre (Artsdatabanken) (Project 27-19 to TN). EY was supported by grants from the Raija and Ossi Tuuliainen Foundation, the Betty Väänänen Foundation, Societas Pro Fauna et Flora Fennica, and the Nestori Foundation.

Available from: 2023-10-20 Created: 2023-10-20 Last updated: 2024-04-15Bibliographically approved
Jonsson, A., Berg, S., Quttineh, N.-H., Leidenberger, S. & Jonsson, T. (2022). Landskapets förmåga att hålla biologisk mångfald: – en indikator för biologisk mångfald och ett planeringsverktyg för prioritering av markanvändning. Naturvårdsverket
Open this publication in new window or tab >>Landskapets förmåga att hålla biologisk mångfald: – en indikator för biologisk mångfald och ett planeringsverktyg för prioritering av markanvändning
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2022 (Swedish)Report (Other academic)
Abstract [sv]

Rapporten beskriver ett nytt verktyg framtaget för att underlätta planering av grön infrastruktur på landskapsnivå och ger via fallstudier exempel på hur verktyget kan användas. Projektet har utförts i ett samarbete med expertis inom teoretisk ekologi, ekologi, biodiversitetsinformatik och tillämpad matematik.

Forskningsprojektet har utvecklat en modell för att uppskatta ett landskaps för-måga att hålla biologisk mångfald i dess olika biotoper (Biotope Biodiversity Capacity Indicator, BBCI). Ett teoretiskt ramverk baserat på ekologisk kunskap har tagits fram som grund för modellen.

Syftet med BBCI är att modellen ska kunna användas som ett planeringsverktyg för att:

  • stärka biologisk mångfald i ett landskap,
  • förbättra förutsättningarna för arter att använda hela landskapet och
  • skapa bättre förutsättningar för hänsyn till biologisk mångfald i samband med samhällsutveckling.

För att testa och beskriva verktygets användbarhet har fyra fallstudier genomförts med olika fokus:

  1. Analys av fragmenteringen i ett barrskogslandskap som sköts med särskild naturhänsyn i Västernorrlands län.
  2. Analys av barrskogsvärdekärnors kapacitet för biologisk mångfald inom Västra Götalands län som synliggör vikten av kommunöverskridande samverkan.
  3. Analys av potentiella målkonflikter mellan två biotoper, ädellövskog och öppen mark med skyddsvärda träd i Valle.
  4. Analys av kapacitet för biologisk mångfald hos äldre ädellövträd i ett landskap mixat med urbana miljöer och landsbygd, Mjölby kommun.

Parallellt med utvcklingen av BBCI har en tät dialog och samverkan skett med olika intressenter och slutanvändare. Den breda dialogen har medfört ett effektivt kun-skapsutbyte mellan olika parter.

Rapporten avslutas med att beskriva utmaningar och verktygets utvecklings-potential både avseende pedagogik och teknik men även hur modellen kan byggas på och utvecklas med ytterligare funktioner för en breddad tillämpning.

Abstract [en]

The report describes a new tool, developed to facilitate the planning of green infrastruc-ture at the landscape level, and provides via case studies examples of how the tool can be used. The project has been a collaboration with expertise in theoretical ecology, ecology, biodiversity informatics and applied mathematics.

The research project has developed a model for estimating a landscape’s ability to maintain biodiversity in its various biotopes (Biotope Biodiversity Capacity Indicator, BBCI). A theoretical framework based on ecological knowledge has been developed as a basis for the model.

The purpose of the BBCI is to be a planning tool to:

  • strengthen landscape biodiversity,
  • improve the conditions for species to use the entire landscape and
  • create better conditions for consideration of biological diversity in connection with societal development.

To test and describe the usefulness of the tools, four case studies with different focuses have been conducted:

  1. Analysis of the fragmentation in a coniferous forest landscape that is managed with special consideration for nature in Västernorrland County.
  2. Analysis of valuable coniferous forest cores and their capacity for biological diversity within Västra Götaland County, with highlights on the importance of cross-municipal collaboration.
  3. Analysis of potential target conflicts between two biotopes, deciduous forest and open land with trees worthy of protection in Valle.
  4. Analysis of capacity for biodiversity in older deciduous trees in a mixed urban and countryside landscape, Mjölby municipality.

Parallel to the development of BBCI, a close dialogue and collaboration has taken place with stakeholders and end users. The broad dialogue has resulted in an effective exchange of knowledge.

The report concludes by describing challenges and development potential of the tool, both in terms of pedagogy and technology as well as how the model can further developed with additional functions.

Place, publisher, year, edition, pages
Naturvårdsverket, 2022. p. 42
Series
Rapport / Naturvårdsverket, ISSN 0282-7298 ; 7062
National Category
Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-22001 (URN)978-91-620-7062-5 (ISBN)
Funder
Swedish Environmental Protection Agency
Available from: 2022-11-02 Created: 2022-11-02 Last updated: 2022-11-03Bibliographically approved
Crawford, E., Leidenberger, S., Norrström, N. & Niklasson, M. (2022). Using Video Footage for Observing Honey Bee Behaviour at Hive Entrances. Bee world, 99(4), 139-142
Open this publication in new window or tab >>Using Video Footage for Observing Honey Bee Behaviour at Hive Entrances
2022 (English)In: Bee world, ISSN 0005-772X, Vol. 99, no 4, p. 139-142Article in journal (Refereed) Published
Abstract [en]

Video recording is a common method to study animal behaviour. In honey bee studies, short video-recordings are often used to learn more about a behaviour, but rarely used for their quantification. Standard methods for observing bee behaviour involve behavioural assays or direct observation of a limited subset of marked bees within an observation hive. This means that behaviour at the hive entrance may be overlooked. Here we describe a 4-camera set up for the study of behaviour at hive entrances. With minimal disturbance, we were able to record and quantify all previously described behaviours (9 in total - including self-grooming in drones) on and around the hive entrance. We briefly discuss the general feasibility of video footage and the relative frequency of each observed behaviour. Our conclusion is that video footage is a useful and perhaps overlooked method for unbiased quantification and comparisons of bee behaviour at the hive entrance. With this paper we are publishing some example short video-recordings as online supplementary material for educational purposes.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2022
National Category
Behavioral Sciences Biology Environmental Sciences Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-21720 (URN)10.1080/0005772x.2022.2106739 (DOI)
Funder
Interreg, 2020-1923
Note

CC BY-NC-ND 4.0

Published online: 23 Aug 2022

Copyright © 2022 Informa UK Limited

Email: mats.niklasson@nordensark.se

Milkywire and Trädgårdsresan provided financial support for technical equipment and salary to EC. MN, SL and NN were funded by INTERREG Project number 2020-1923 'BIstånd till Nordiska bin'.

Available from: 2022-08-24 Created: 2022-08-24 Last updated: 2022-11-21Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-3985-8405

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