Essays about: "Gymnadenia conopsea"

Found 2 essays containing the words Gymnadenia conopsea.

  1. 1. Effects of population size, density and local environment on the population dynamics of the fragrant orchid (Gymnadenia conopsea)

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Kasper Kupka; [2021]
    Keywords : Demography; Gymnadenia conopsea; local habitat; matrix models; orchids; population density; population size; stochastic growth rate; soil organic matter; quasi-extinction probability;

    Abstract : A wide majority of orchid populations are decreasing due to habitat fragmentation and to changes in land management. Population size, density and habitat quality are factors that are expected to be positively related to the viability and future growth of a population. READ MORE

  3. 2. Effects of Nectar Production and Pollinator Assemblies on Mating Patterns in Orchids

    University essay from Växtekologi och evolution; Institutionen för biologisk grundutbildning

    Author : Pengjuan Zu; [2011]
    Keywords : Inbreeding depression; mating system; nectar; nectarless; orchid; pollen staining; pollinator assembly;

    Abstract : Pollinator visitation patterns should affect pollination success and mating patterns in flowering species. In the orchid family, about one third of the species do not provide any reward for their pollinators. READ MORE