Essays about: "reproductive habitat"

Showing result 1 - 5 of 28 essays containing the words reproductive habitat.

  1. 1. FOREST LANDSCAPE STRUCTURE OF CAPERCAILLIE (TETRAO UROGALLUS) LEK SITES IN NORTHERN SWEDEN : Analysis of lek site characteristics

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Agnes Blomgren; [2023]
    Keywords : capercaillie Tetrao urogallus ; habitat selection; forest landscape structure; lek site;

    Abstract : The purpose of this study is to analyze which variables influence the capercaillie’s (Tetrao urogallus) selection of lek sites in northern Sweden by using remote sensing data. The lek site is a crucial area for the species’ reproductive success. READ MORE

  3. 2. The Ecological and Anthropogenic Impacts of fishing gear in a tropical system : How the size of Spotted Rose Snapper (Lutjanus guttatus) and the ratio of target catch, is influenced by approved fishing gear within a marine area of responsible fishing in the South-Western Gulf of Nicoya, Costa Rica.

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Alfred Eriksson; [2023]
    Keywords : Overfishing; overexploitation; Spotted Rose Snapper; Lutjanus guttatus; Gulf of Nicoya; Costa Rica; marine protected areas; artisinal fishermen; bycatch; Costa Rican Institute of Fisheries and Aquaculture; incopesca; fishing gear; longlines;

    Abstract : The oceans are essential for humanity, yet these systems continue to be degraded and suffer from pollution, habitat destruction and overexploitation. The Costa Rican Gulf of Nicoya is a productive gulf that is fished by both large-scale industrial fisheries and small-scale artisanal fishermen. READ MORE

  4. 3. Bear in mind! A study about the effect of bear predation on the choice of calving site and site fidelity by female moose in Sweden

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Lisa Dijkgraaf; [2022]
    Keywords : moose Alces alces ; brown bear Ursus arctos ; predation; calving site; site fidelity;

    Abstract : Selecting a suitable calving site is important for ungulates, especially when predators are present. Brown bears (Ursus arctos) predate on moose calves (Alces alces) and therefore influence the reproductive success of the moose. READ MORE

  5. 4. Temporal, climatic and spatial variation in the distribution and activity patterns of the raccoon (Procyon lotor) in Hainich National Park, Germany

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Maria Grüneberger; [2022]
    Keywords : raccoon; procyon lotor; hainich National Park; canopy Walk; camera trapping; nocturnality; ground temperature; habitat preference; european beech; fagus sylvatica; anthropogenic influence;

    Abstract : The raccoon (Procyon lotor) has been a part of German fauna since the 1920s, following a number of releases and escapes from captivity. This study intends to investigate the distribution and activity patterns of this non-native mesopredator in Hainich National Park, which lies in Central Germany, in-between 3 core areas of established raccoon populations. READ MORE

  6. 5. Fjällräven i ett föränderligt klimat

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Emma Marander; [2022]
    Keywords : fjällräv; vulpes lagopus; klimatförändringar;

    Abstract : Climate change is an ongoing threat to the world´s biodiversity, and has an alarming effect on the Arctic. One species that can only be found in this particular habitat is the arctic fox, whose future is threatened by the aversive effects of global warming. The aim of this study was to investigate how climate change is affecting the arctic fox. READ MORE