Blar i NTNU Open på forfatter "Røskaft, Eivin"
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Differential barrier and corridor effects of power lines,roads and rivers on moose (Alces alces) movements
Bartzke, Gundula; May, Roelof Frans; Solberg, Erling Johan; Rolandsen, Christer Moe; Røskaft, Eivin (Journal article; Peer reviewed, 2015)uilding new power lines is required to satisfy increasing demands for the transmission of electricity, and at the same time the road network is expanding. To provide guidelines for the routing of new power lines and ... -
Disappearance of eggs from non-parasitized nests of brood parasite hosts – the evolutionary equilibrium hypothesis revisited
Stokke, Bård Gunnar; Røskaft, Eivin; Moksnes, Arne; Møller, Anders Pape; Antonov, Anton Tinchov; Fossøy, Frode; Liang, Wei; Lopez-Iborra, German; Moskát, Csaba; Shykoff, Jacqui A.; Soler, Manuel; Vikan, Johan Reinert; Yang, Canchao; Takasu, Fugo (Journal article; Peer reviewed, 2016)The evolutionary equilibrium hypothesis was proposed to explain variation in egg rejection rates among individual hosts (intra- and interspecific) of avian brood parasites. Hosts may sometimes mistakenly reject own eggs ... -
Distribution Patterns of Human Elephant Conflict in Areas Adjacent to Rungwa Game Reserve, Tanzania
Munuo, Wilbright (Master thesis, 2016)Abstract Human pressure on terrestrial ecosystems has caused loss and fragmentation of habitats for wildlife species. That has brought humans and wildlife in close proximity intensifying human wildlife conflicts, especially ... -
Diurnal and nocturnal movements of Kori Bustards in the Serengeti ecosystem
Mmassy, Emmanuel Clamsen; Ranke, Peter S.; Lesio, Nicephor; Jackson, Craig Ryan; May, Roelof Frans; Røskaft, Eivin (Peer reviewed; Journal article, 2022)Although Kori Bustards (Ardeotis kori) are reported as diurnal, the species’ activity patterns have not been assessed to date. We report on the movement during different parts of the day of eight GPS-tagged individuals in ... -
Diversity of parasitic cuckoos and their hosts in China
Yang, Canchao; Liang, Wei; Antonov, Anton Tinchov; Cai, Yan; Stokke, Bård Gunnar; Fossøy, Frode; Moksnes, Arne; Røskaft, Eivin (Journal article, 2012)In this exposé we provide the first review of host use by brood parasitic cuckoos in a multiple-cuckoo system in China, based on our own long-term field data and a compilation of observations obtained from the literature. ... -
Do carnivore surveys match reports of carnivore presence by pastoralists? A case of the eastern Serengeti ecosystem
Mbise, Franco Peniel; Jackson, Craig Ryan; Lyamuya, Richard; Fyumagwa, Robert D.; Ranke, Peter Sjolte; Røskaft, Eivin (Peer reviewed; Journal article, 2020)Human-carnivore encounters are common where humans and wild carnivores share the same landscape. The frequency of such encounters gives insight regarding carnivore density and might correlate with human-carnivore conflict ... -
Do Societies benefit by a more Gender equal Education System?
Berge, Ingrid (Master thesis, 2015)Evolutionary, the two sexes have been selected for different traits, and some division in interests and activities between the genders is natural. The important thing is that both sexes are given the same opportunities and ... -
Does human activities affect stress level in Serengeti elephants (Loxodonta africana)?
Tingvold, Heidi Gunilla (Master thesis, 2011)African elephants play a vital role in the Serengeti ecosystem, with the opportunity to alter the entire ecosystem by their sheer number. Management of these animals with the ambition of improving their welfare is therefore ... -
Drivers of conservation crimes in the Rungwa-Kizigo-Muhesi Game Reserves, Central Tanzania
Hariohay, Kwaslema Malle; Ranke, Peter Sjolte; Fyumagwa, Robert D.; Kideghesho, Jafari; Røskaft, Eivin (Journal article; Peer reviewed, 2019)Conservation crimes are posing serious threats to wildlife species and biodiversity of the Rungwa-Kizigo-Muhesi-Game-Reserves. Devising effective strategies to reduce risks to as low as reasonably possible of these crimes, ... -
Drivers of seabird spatial ecology - implications for development of offshore windpower in Norway
Christensen-Dalsgaard, Signe (Doctoral theses at NTNU;2018:65, Doctoral thesis, 2018) -
Ecology and Conservation Challenges of the Kori bustard in the Serengeti National Park
Mmassy, Emmanuel Clamsen (Doctoral theses at NTNU;2017:238, Doctoral thesis, 2017)The study focused on the ecology and conservation challenges of the Kori bustard in the Serengeti National Park. The main objectives of the study was to determine the factors that affect local ecological knowledge and ... -
Ecology, Behaviour and Conservation Status of Masai Giraffe (Giraffa camelopardalis tippelskirchi) in Tanzania
Marealle, Wilfred Njama (Doctoral theses at NTNU;2016:285, Doctoral thesis, 2016)Globally, biodiversity resources have been in decline since mankind began to keep records of their surrounding environments. With the combination of different natural catastrophes over centuries and human-induced activities, ... -
Effect of human–elephant conflict on local attitudes toward the conservation of wild Asian elephants in Myanmar
Thant, Zaw Min; May, Roelof Frans; Røskaft, Eivin (Peer reviewed; Journal article, 2022)The study of attitudes toward wild elephants and human–elephant conflict (HEC) is vital to understanding what attitudes are held by local people and how to incorporate them into wild elephant conservation. This study ... -
Effects of Ecotourism Benefits on Local Support for Conservation - A Case Study of Local Perceptions of Inlay Lake, Myanmar
Thuzar Win, Phyo (Master thesis, 2018)Conservation efforts by the local people are increasingly seemed as important with respect to the protected area management of developing countries. Such practices often involve ecotourism through income generating activities. ... -
Efficacy of spotlights and thermal cameras to detect lions Panthera leo and spotted hyenas Crocuta crocuta depends on species and management regime
Mwampeta, Stanslaus Brown; Wilton, Clay M.; Mkasanga, Imani J.; Bled, Florent; Masinde, Lusato M.; Røskaft, Eivin; Ranke, Peter Sjolte; Fyumagwa, Robert D.; Belant, Jerrold L. (Peer reviewed; Journal article, 2022)Accurate abundance estimates can contribute to effective management of large carnivore populations. Lion Panthera leo and spotted hyena Crocuta crocuta populations are frequently estimated at night by eliciting their ... -
Egg arrangement in avian clutches covaries with the rejection of foreign eggs
Polacikova, Lenka; Takasu, Fugo; Stokke, Bård Gunnar; Moksnes, Arne; Røskaft, Eivin; Cassey, Phillip; Hauber, Mark; Grim, Tomas (Journal article, 2013)In birds, the colour, maculation, shape, and size of their eggs play critical roles in discrimination of foreign eggs in the clutch. So far, however, no study has examined the role of egg arrangement within a clutch on ... -
Egg phenotype matching by cuckoos in relation to discrimination by hosts and climatic conditions
Avilés, Jesús M.; Vikan, Johan Reinert; Fossøy, Frode; Antonov, Anton Tinchov; Moksnes, Arne; Røskaft, Eivin; Shykoff, Jacqui A.; Møller, Anders pape; Stokke, Bård Gunnar (Journal article, 2012)Although parasites and their hosts often coexist in a set of environmentally differentiated populations connected by gene flow, few empirical studies have considered a role of environmental variation in shaping correlations ... -
Environmental degradation and loss of traditional agriculture as two causes of conflicts in shrimp farming in southwest coastal Bangladesh: present status and probable solution
Paul, Ajit Kumar (Master thesis, 2012)AbstractA survey was conducted among some of the stakeholders in the shrimp value chain on the south-western coast of Bangladesh. Using a well-structured and pre-tested questionnaire, the attitudes of the respondents towards ... -
Evaluating the use of local ecological knowledge (LEK) in determining habitat preference and occurrence of multiple large carnivores
Madsen, Emily K.; Elliot, Nicholas B.; Mjingo, Ernest E.; Masenga, Emmanuel H.; Jackson, Craig Ryan; May, Roelof Frans; Røskaft, Eivin; Broekhuis, Femke (Peer reviewed; Journal article, 2020)Understanding habitat preferences and distribution of threatened species is a cornerstone of conservation, however many of the techniques available can be resource intensive. One cost-effective method is by collecting ... -
Factors affecting hyrax presence/absence and population size
MBISE, FRANCO PENIEL (Master thesis, 2015)Understanding the factors influencing whether a species is present or absent in an ecosystem and how these factors affect their population size is crucial for conservation initiatives. There are two species of hyraxes in ...