Essays about: "insectivorous birds"
Showing result 1 - 5 of 6 essays containing the words insectivorous birds.
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1. Echo of the Ancients: Evolution of Song in the Avian Family Cettiidae
University essay from Uppsala universitet/PaleobiologiAbstract : The Cettiidae, a family of primarily small, insectivorous, Asiatic and Austronesian, mountain birds have been the subject of acoustic analysis in the past. However, until this point, an in-depth review of the songs of the entire family had yet to be undertaken. READ MORE
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2. The role of agroforestry tree species in biocontrol of the cabbage pest Plutella xylostella : a field study in Kenya
University essay from SLU/Dept. of EcologyAbstract : Pest control in agriculture is a necessity and the use of chemicals is the method by choice for most farmers. But the use of chemicals comes with a price; the pests develops resistance and the chemicals pollutes the environment. It is therefore of urgent importance to shift pest control from chemicals to other methods. READ MORE
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3. Are birds in agricultural habitats attracted to plant volatiles?
University essay from SLU/Dept. of EcologyAbstract : Birds’ ability to fly allows them to track resource abundance and relocate themselves to areas with more resources. It has been a longstanding belief that they forage mainly through visual cues due to their relatively small olfactory bulbs. READ MORE
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4. Effekterna av landbaserad antropogen ljudförorening på fågelsamhällets artsammansättning : en litteraturstudie
University essay from SLU/Dept. of EcologyAbstract : Allt eftersom industrialiseringen, urbaniseringen och utbyggnaden av vägar fortskrider kommer en större andel av naturen påverkas av ljudföroreningarna som den mänskliga aktiviteten alstrar. Fåglar är en bra djurgrupp att studera när det gäller ljudföroreningens effekter eftersom de ofta använder sig av ljud i samband med viktiga biologiska funktioner såsom födosökning och förökning. READ MORE
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5. Diversity of birds in relation to area, vegetation structure and connectivity in urban green areas in La Paz, Bolivia
University essay from Institutionen för fysik, kemi och biologi; Tekniska högskolanAbstract : With a growing human population, cities keep growing worldwide altering ecosystem and thereby affecting the species living in these areas. Most studies of urbanization and its effect on ecosystem have been conducted in the western world and little is known about its effect in the neotropical part of the world. READ MORE
