Essays about: "Indikator arter"

Showing result 1 - 5 of 8 essays containing the words Indikator arter.

1. 1. Body patterning and cognition in cephalopods - a literature review

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

   Author : Georgina Chu; [2023]
   Keywords : cephalopods; octopus; body patterning; colour alteration; chromatophores; pigment cells; cognition; learning and memory;

   Abstract : Cephalopods are a valuable model for studying the evolution of cognition due to their distinctive brain structure, organisation, and connectivity patterns compared to vertebrates. The development of large brains and behavioural complexities are believed to be triggered by evolutionary pressures stemming from factors like heightened predation, more demanding foraging conditions, and intense mating competition. READ MORE

3. 2. Distribution Analysis of Impatiens glandulifera in Kronoberg County and a Pest Risk Map for Alvesta Municipality

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Johan Viscarra Hansson; [2022]
   Keywords : Geography; GIS; Impatiens glandulifera; pest risk map; distribution analysis; suitability analysis; invasive alien plant; weighted overlay; Himalayan balsam; Earth and Environmental Sciences;

   Abstract : The spread of invasive alien species poses great risks for biodiversity, human health and economies. Impatiens glandulifera, an invasive alien plant which has been listed in The European list of Invasive Alien Species of Union concern, is widely spread in Sweden. READ MORE

4. 3. Effekt av tid och temperatur på homogeniseringsresistenta spermatider

   University essay from SLU/Dept. of Clinical Sciences

   Author : Caroline Stålheim; [2018]
   Keywords : Homogeniseringsresistenta spermatider; förvaringstid; Temperatur; testikelvävnad; Tjur;

   Abstract : Bedömningar av reproduktionstoxicitet görs på både tama och vilda djur, ibland används djurarter som så kallade indikatorarter. En indikator kan beskrivas som en icke-mänsklig organism vilken kan reagera på en miljöförorening innan föroreningen påverkar människor. READ MORE

5. 4. Including biodiversity aspects in life cycle assessments - A case study of forest-based biofuel

   University essay from Lunds universitet/Miljö- och energisystem; Lunds universitet/Ekosystemteknik (CI)

   Author : Siri Willskytt; [2015]
   Keywords : LCA; Biodiversity; Biofuels; Land use; Methodology; Forest; Technology and Engineering;

   Abstract : Analysing the environmental impact connected to biofuels has lately become more important due to the European Commission’s energy and climate target for 2020. These targets includes among others, 20 % reduction of greenhouse emissions and 20 % energy efficiency. READ MORE

6. 5. Influence of light competition on vitality in old aspen

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Marianne Karlsson; [2009]
   Keywords : aspen; Populus tremula; vitality; light competition; biodiversity; stand density; management;

   Abstract : European aspen (Populus tremula) is a pioneer tree species that has a high importance for biodiversity. In Sweden, the number of long-continuity aspen stands has decreased during the last century. READ MORE