Blar i NTNU Open på forfatter "Røskaft, Eivin"
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A genetic insight to the population of African savannah elephants (Loxodonta africana) in the Serengeti Ecosystem, Tanzania.
Rosenlund, Håvard (Master thesis, 2011)African savannah elephants play a vital role in the Serengeti ecosystem with the opportunity to alter the entire ecosystem by its sheer number. Management of these animals are therefore of high importance, but little genetic ... -
Ancient origin and maternal inheritance of blue cuckoo eggs
Røskaft, Eivin; Møller, Anders P.; Liang, Wei; Sorenson, Michael D; Yang, Canchao; Takasu, Fugo; Stokke, Bård Gunnar; Fossøy, Frode; Moksnes, Arne; Ekrem, Torbjørn; Rutila, Jarkko (Journal article; Peer reviewed, 2016)Maternal inheritance via the female-specific W chromosome was long ago proposed as a potential solution to the evolutionary enigma of co-existing host-specific races (or ‘gentes’) in avian brood parasites. Here we report ... -
Anthropogenic and Environmental factors driving the Human-Elephant Conflict in Myanmar
Thant, Zaw Min (Doctoral theses at NTNU;2022:226, Doctoral thesis, 2022)Anthropogenic activities are responsible for accelerating the depletion and deterioration of natural habitats for elephants. Habitat loss and fragmentation cause intense Human-Elephant Conflict (HEC) in multiple-use ... -
Anthropogenic Impacts on the Social Structure and Behaviour of Impala (Aepyceros melampus) Populations in Areas of Different Land Use - A case study from the Serengeti Ecosystem, Tanzania
Setsaas, Tuva (Master thesis, 2017)The impact of anthropogenic disturbance on wildlife populations in protected areas as vital for management regulations and conservation efforts. Knowledge of how different human activities might impact social structure and ... -
Applying Multi-Temporal Landsat Satellite Data and Markov-Cellular Automata to Predict Forest Cover Change and Forest Degradation of Sundarban Reserve Forest, Bangladesh
Hasan, Mohammad Emran; Nath, Biswajit; Sarker, Abul Hasnat Mohammad Raihan; Wang, Zhihua; Zhang, Li; Yang, Xiaomei; Nobi, Mohammad Nur; Røskaft, Eivin; Chivers, David J.; Suza, Ma (Peer reviewed; Journal article, 2020)Overdependence on and exploitation of forest resources have significantly transformed the natural reserve forest of Sundarban, which shares the largest mangrove territory in the world, into a great degradation status. By ... -
Are cuckoos maximizing egg mimicry by selecting host individuals with better matching egg phenotypes?
Antonov, Anton Tinchov; Stokke, Bård Gunnar; Fossøy, Frode; Ranke, Peter Sjolte; Liang, Wei; Yang, Canchao; Moksnes, Arne; Shykoff, Jacqui A.; Røskaft, Eivin (Journal article; Peer reviewed, 2012)Background: Avian brood parasites and their hosts are involved in complex offence-defense coevolutionary arms races. The most common pair of reciprocal adaptations in these systems is egg discrimination by hosts and egg ... -
Assessing crop and livestock losses along the Rungwa-Katavi Wildlife Corridor, South-Western Tanzania
Hariohay, Kwaslema Malle; Fyumagwa, Robert D.; Kideghesho, Jafari Ramadhani; Røskaft, Eivin (Journal article, 2017)Humans and wildlife interact negatively, especially when humans transform natural wildlife habitats by establishing settlements and crop fields. Encroachment and habitat fragmentations caused by human activities decrease ... -
Assessing the effect of roads on impala (Aepyceros melampus) stress levels using faecal glucocorticoid metabolites
Lunde, Even Tvede (Master thesis, 2013)Loss of habitat is the main cause of species extinction, which today is 100 - 1000 times faster than the background extinction rate before the presence of mankind. One cause is that natural areas are being increasingly ... -
Assessment of communities knowledge and perceptions on impacts of Hoima- Tanga crude oil pipeline to biodiversity in Swagaswaga Game Reserve
Nyakeko, Nyamasija (Master thesis, 2018)The Hoima - Tanga crude oil pipeline also known as the East African Crude Oil is under construction and intended to transport crude oil from Uganda s oil fields to the Port of Tanga in Tanzania on the Indian Ocean following ... -
An assessment of field techniques to estimate lion presence and abundance
Mwampeta, Stanslaus Brown (Doctoral theses at NTNU;2022:396, Doctoral thesis, 2022)Large carnivores play a critical role in regulating ecosystems through predation and competition. Many large carnivores however have experienced a large population decline. The common causes of the decline are human related ... -
Attitudes of Local Communities towards the Conservation of a Wetland Protected Area: a Case Study from the Moeyungyi Wetland Wildlife Sanctuary in Myanmar
hantun, zinphyo (Master thesis, 2018)Attitudinal studies are globally being recognized as useful indicators for evaluating the efficiency of conservation policy. An understanding of the attitudes of local communities towards nearby protected areas (PAs) helps ... -
Avian brood parasitism — a growing research area in behavioral ecology (part II)
Røskaft, Eivin; Liang, Wei; Stokke, Bård Gunnar (Journal article, 2013) -
Awareness of urban communities on biodiversity conservation in Tanzania's protected areas
Mwasaga, Rehema Ulimboka; Mbise, Franco Peniel; Nyahongo, Julius William; Røskaft, Eivin (Peer reviewed; Journal article, 2022)This study used semi-structured interviews in two cities, Dodoma and Arusha, in Tanzania, to assess the difference in people’s conservation awareness between the two cities. Our results revealed that urban people were ... -
Behavioural and demographic changes in impala (Aepyceros melampus) populations after a decade of changed conservation management – a case study in the Serengeti Ecosystem, Tanzania
Flølo, Linn Marie (Master thesis, 2019)I det vestlige Serengeti-økosystemet er det gjort betydelige investeringer i bevaring og forvaltning av Grumeti-området siden begynnelsen av det 21. århundre. Ved å bruke impala (Aepyceros melampus) som studieart, undersøkte ... -
Behavioural and demographic changes in impala populations after 15 years of improved conservation management
Flølo, Linn Marie; Hunninck, Louis Marcel; May, Roelof Frans; Jackson, Craig Ryan; Setsaas, Trine Hay; Holmern, Tomas; Røskaft, Eivin (Peer reviewed; Journal article, 2021)Many protected areas (PAs) have been created globally in response to the dramatic human- induced decline in biodiversity. However, not all PAs successfully preserve their biodiversity and continued monitoring is vital to ... -
Behavioural Ecology of Free-ranging and Reintroduced African Wild Dog (Lycaon pictus) Packs in the Serengeti Ecosystem, Tanzania
Masenga, Emmanuel Hosiana (Doctoral theses at NTNU;2017:154, Doctoral thesis, 2017)Worldwide, large carnivore conservation has become an increasing challenge in the face of human population growth and anthropogenic development adjacent to protected areas. African wild dogs (Lycaon pictus) range widely ... -
Being stressed outside the park — conservation of African elephants (Loxodonta africana) in Namibia
Hunninck, Louis; Ringstad, Iris; Jackson, Craig Ryan; May, Roelof Frans; Fossøy, Frode; Uiseb, Kenneth; Killian, Werner; Røskaft, Eivin (Journal article; Peer reviewed, 2017)The conservation of the African savanna elephant (Loxodonta africana) is of prime importance for many African countries. Interactions between elephants and humans are known to induce stress and thereby have the potential ... -
Between hunter and climate: the effects of hunting and environmental change on fecal glucocorticoid metabolite levels in two sympatric ungulate species in the Ruaha-Rungwa ecosystem, Tanzania
Hariohay, Kwaslema Malle; Hunninck, Louis Marcel; Ranke, Peter Sjolte; Fyumagwa, Robert D; Palme, Rupert; Røskaft, Eivin (Journal article; Peer reviewed, 2023) -
Bird tolerance to humans in open tropical ecosystems
Mikula, Peter; Tomášek, Oldřich; Romportl, Dušan; Aikins, Timothy K.; Avendaño, Jorge E.; Braimoh-Azaki, Bukola D A; Chaskda, Adams; Cresswell, Will; Cunningham, Susan J.; Dale, Svein; Favoretto, Gabriela R.; Floyd, Kelvin S.; Glover, Hayley; Grim, Tomáš; Henry, Dominic A. W.; Holmern, Tomas; Hromada, Martin; Iwajomo, Soladoye B.; Lilleyman, Amanda; Magige, Flora J.; Martin, Rowan O.; de A. Maximiano, Marina F.; Nana, Eric D.; Ncube, Emmanuel; Ndaimani, Henry; Nelson, Emma; van Niekerk, Johann H.; Pienaar, Carina; Piratelli, Augusto J.; Pistorius, Penny; Radkovic, Anna; Reynolds, Chevonne; Røskaft, Eivin; Shanungu, Griffin K.; Siqueira, Paulo R.; Tarakini, Tawanda; Tejeiro-Mahecha, Nattaly; Thompson, Michelle L.; Wamiti, Wanyoike; Wilson, Mark; Tye, Donovan R. C.; Tye, Nicholas D.; Vehtari, Aki; Tryjanowski, Piotr; Weston, Michael A.; Blumstein, Daniel T.; Albrecht, Tomáš (Peer reviewed; Journal article, 2023)Animal tolerance towards humans can be a key factor facilitating wildlife–human coexistence, yet traits predicting its direction and magnitude across tropical animals are poorly known. Using 10,249 observations for 842 ... -
Breeding ecology of Kori Bustard Ardeotis kori strunthiunculus in the Serengeti National Park
Mmassy, Emmanuel Clamsen; Fyumagwa, Robert D.; Bevanger, Kjetil Modolv; Røskaft, Eivin (Journal article; Peer reviewed, 2018)The breeding ecology of the Kori Bustard Ardeotis kori strunthiunculus was studied in the plains of the Serengeti National Park, Tanzania in 2014 and 2015. Random transects were used to search for male courtship displays, ...