Blar i Scientific publications på forfatter "Tombre, Ingunn"
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Carry-Over or Compensation? The Impact of Winter Harshness and Post-Winter Body Condition on Spring-Fattening in a Migratory Goose Species
Clausen, Kevin K.; Madsen, Jesper; Tombre, Ingunn (Journal article, 2015)Environmental conditions at one point of the annual cycle of migratory species may lead to cross-seasonal effects affecting fitness in subsequent seasons. Based on a long-term mark-resighting dataset and scoring of body ... -
Climate change and the increasing impact of polar bears on bird populations
Prop, Jouke; Aars, Jon; Bårdsen, Bård-Jørgen; Hanssen, Sveinn Are; Bech, Claus; Bourgeon, Sophie; Fouw, Jimmy de; Gabrielsen, Geir W.; Lang, Johannes; Noreen, Elin; Oudman, Thomas; Sittler, Benoit; Tombre, Ingunn; Wolters, Eva; Moe, Børge; Stempniewicz, Lech (Peer reviewed; Journal article, 2015)The Arctic is becoming warmer at a high rate, and contractions in the extent of sea ice are currently changing the habitats of marine top-predators dependent on ice. Polar bears (Ursus maritimus) depend on sea ice for ... -
Combining modelling tools to evaluate a goose management scheme
Baveco, Johannes M.; Bergjord, Anne-Kari; Bjerke, Jarle W.; Chudzinska, Magda E.; Pellissier, Loïc; Simonsen, Caroline E.; Madsen, Jesper; Tombre, Ingunn; Nolet, Bart A. (Journal article; Peer reviewed, 2017)Many goose species feed on agricultural land, and with growing goose numbers, conflicts with agriculture are increasing. One possible solution is to designate refuge areas where farmers are paid to leave geese undisturbed. ... -
Could Have Gone Wrong: Effects of Abrupt Changes in Migratory Behaviour on Harvest in a Waterbird Population
Madsen, Jesper; Christensen, Thomas Kjær; Balsby, Thorsten J. S.; Tombre, Ingunn (Journal article; Peer reviewed, 2015)To sustainably exploit a population, it is crucial to understand and reduce uncertainties about population processes and effects of harvest. In migratory species, management is challenged by geographically separated changing ... -
Environmental factors affecting numbers of pink-footed geese Anser brachyrhynchus utilising an autumn stopover site
Jensen, Gitte Høj; Tombre, Ingunn; Madsen, Jesper (Journal article; Peer reviewed, 2016)NorwayFor huntable waterbird species, the autumn migration strategy may be important for their fitness, as their behaviour and environmental factors may influence their exposure to hunting mortality. Hunting activity may ... -
Global change and ecosystem connectivity: how geese link fields of central Europe to eutrophication of Arctic freshwaters
Hessen, Dag Olav; Tombre, Ingunn; van Geest, Gerben; Alfsnes, Kristian (Journal article; Peer reviewed, 2016)Migratory connectivity by birds may mutually affect different ecosystems over large distances. Populations of geese overwintering in southern areas while breeding in high-latitude ecosystems have increased strongly ... -
Goose management schemes to resolve conflicts with agriculture:Theory, practice and effects
Eythórsson, Einar; Tombre, Ingunn; Madsen, Jesper (Journal article; Peer reviewed, 2017)In 2012, the four countries hosting the Svalbard population of pink-footed goose Anser brachyrhynchus along its flyway launched an International Species Management Plan for the population. One of the aims was to reduce ... -
Hunter opinions on the management of migratory geese: a case of stakeholder involvement in adaptive harvest management
Holmgaard, Sanne Bech; Eythórsson, Einar; Tombre, Ingunn (Journal article; Peer reviewed, 2018)Knowledge of hunter attitudes toward goose management is essential for the involvement of hunters in adaptive harvest management. Our study provides insight into processes of stakeholder involvement in adaptive harvest ... -
Hunting migratory geese: is there an optimal practice?
Jensen, Gitte Høj; Madsen, Jesper; Tombre, Ingunn (Journal article; Peer reviewed, 2016)Since the mid-20th century, many European and North American goose populations have increased dramatically in numbers, causing conflict with agricultural interests in their staging and wintering areas. In some cases, to ... -
Implementation of the first adaptive management plan for a European migratory waterbird population: The case of the Svalbard pink-footed goose Anser brachyrhynchus
Madsen, Jesper; Williams, James Henty; Johnson, Fred A.; Tombre, Ingunn; Dereliev, Sergey; Kuijken, Eckhart (Journal article; Peer reviewed, 2017)An International Species Management Plan for the Svalbard population of the pink-footed goose was adopted under theAgreement on theConservation of African-Eurasian Migratory Waterbirds in 2012, the first case of adaptive ... -
Is it worthwhile scaring geese to alleviate damage to crops? – An experimental study
Simonsen, Caroline Ernberg; Madsen, Jesper; Tombre, Ingunn; Nabe-Nielsen, Jacob (Journal article; Peer reviewed, 2015)Summary 1.Increasing population sizes of geese are the cause of numerous agricultural conflicts in many regions of the Northern Hemisphere. Scaring is often used as a tool to chase geese away from fields, either as a means ... -
Landscape selection by migratory geese: Implications for hunting organisation
Jensen, Gitte Høj; Pellissier, Loïc; Tombre, Ingunn; Madsen, Jesper (Journal article; Peer reviewed, 2017)Over the last decades, many wild goose populations have increased significantly and are now causing conflicts with socioeconomic and biological interests. To mitigate impacts of rapid population increases, population control ... -
Late snow melt moderates herbivore disturbance of the Arctic tundra
Anderson, Helen B.; Speed, James David Mervyn; Madsen, Jesper; Pedersen, Åshild Ønvik; Tombre, Ingunn; van der Wal, René (Journal article; Peer reviewed, 2016)Resilience of tundra vegetation to disturbance by herbivores can be low and lead to ecosystem state shifts. Pink-footed geese Anser brachyrhynchus are the most numerous herbivore on Svalbard and disturb vegetation when ... -
Northward range expansion in spring‐staging barnacle geese is a response to climate change and population growth, mediated by individual experience
Tombre, Ingunn; Oudman, Thomas; Shimmings, Paul; Griffin, Larry; Prop, Larry (Peer reviewed; Journal article, 2019)All long‐distance migrants must cope with changing environments, but species differ greatly in how they do so. In some species, individuals might be able to adjust by learning from individual experiences and by copying ... -
Relating national levels of crop damage to the abundance of large grazing birds: Implications for management
Montràs‐Janer, Teresa; Knape, Jonas; Nilsson, Lovisa; Tombre, Ingunn; Pärt, Tomas; Månsson, Johan (Journal article, 2020)1. Populations of large grazing birds have increased in Europe during the past five decades, raising conflicts between conservation and farming interests. Managing these conflicts requires knowledge about the currently ... -
Scaring as a tool to alleviate crop damage by geese: Revealing differences between farmers’ perceptions and the scale of the problem
Simonsen, Caroline; Tombre, Ingunn; Madsen, Jesper (Journal article; Peer reviewed, 2017)Expanding populations of farmland foraging geese are causing escalating conflict with agriculture. We used questionnaires to investigate farmers´ perceptions in mid-Norway of spring staging geese and the extent to which ... -
Selection of a diversionary field and other habitats by large grazing birds in a landscape managed for agriculture and wetland biodiversity
Nilsson, Lovisa; Månsson, Johan; Elmberg, Johan; Liljebäck, Niklas; Tombre, Ingunn (Peer reviewed; Journal article, 2024)1. Several populations of cranes, geese, and swans are thriving and increasing in modern agricultural landscapes. Abundant populations are causing conservation conflicts, as they may affect agricultural production and ... -
Spatio-temporal patterns of crop damage caused by geese, swans and cranes—Implications for crop damage prevention
Montràs-Janer, Teresa; Knape, Jonas; Stoessel, Marianne; Nilsson, Lovisa; Tombre, Ingunn; Pärt, Tomas; Månsson, Johan (Peer reviewed; Journal article, 2020)European populations of geese, swans and cranes have increased considerably since the 1970s raising conflictsbetween conservation and farming interests. Crop damage caused by geese, swans and cranes across the nationalscale ... -
Time series analysis reveals synchrony and asynchrony between conflict management effort and increasing large grazing bird populations in northern Europe
Cusack, Jeremy J.; Duthie, Brad; Rakotonarivo, Sarobidy; Pozo, Rocio A.; Mason, Tom H. E.; Månsson, Johan; Nilsson, Lovisa; Tombre, Ingunn M.; Tombre, Ingunn; Eythórsson, Einar; Madsen, Jesper; Tulloch, Ayesha; Hearn, Richard D.; Redpath, Steve; Bunnefeld, Nils (Journal article; Peer reviewed, 2018)The management of conflicts between wildlife conservation and agricultural practices often involves the implementation of strategies aimed at reducing the cost of wildlife impacts on crops. Vital to the success of these ... -
Time series analysis reveals synchrony and asynchrony between conflict management effort and increasing large grazing bird populations in northern Europe
Cusack, Jeremy J.; Duthie, Brad; Rakotonarivo, Sarobidy; Pozo, Rocio A.; Mason, Tom H.E.; Månsson, Johan; Nilsson, Lovisa; Tombre, Ingunn; Eythórsson, Einar; Madsen, Jesper; Tulloch, Ayesha; Hearn, Richard D.; Redpath, Steve; Bunnefeld, Nils (Peer reviewed; Journal article, 2018)The management of conflicts between wildlife conservation and agricultural practices often involves the implementation of strategies aimed at reducing the cost of wildlife impacts on crops. Vital to the success of these ...