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Estonia Maritime. No 1, 1996 "The Barnacle Goose in Estonia" [Pehme köide]

  • Formaat: Paperback, 104 p.
  • Ilmumisaeg: 1996
  • Kirjastus: W-Estonian Archipelago Biosphere Reserve
  • ISBN-10: 9985601793
  • ISBN-13: 9789985601792
Estonia Maritime. No 1, 1996 "The Barnacle Goose in Estonia"
  • Formaat: Paperback, 104 p.
  • Ilmumisaeg: 1996
  • Kirjastus: W-Estonian Archipelago Biosphere Reserve
  • ISBN-10: 9985601793
  • ISBN-13: 9789985601792
  • 1. Introduction...6
  • 2.Matcrial and methods...8

  • 3. Results...12
  • 3.1. Spring migration...12
  • 3.1.1. Phenology and migration speed...12
  • 3.1.2. Numbers and distribution in Estonia...8
  • 3.1.3. Structure of the population...22
  • 3.1.4. Local movements...25
  • 3.1.5. Feeding ecology...32
  • 3.1.5.1. Food composition and feeding intensity...32
  • 3.1.5.2. Feeding efficiency...36
  • 3.1.5.3. Feeding ethology...37
  • 3.1.6. Spring departure...40
  • 3.1.6.1. Temporal-spatial distribution of migration...40
  • 3.1.6.2. Dependence of migration on environmental factors...46
  • 3.1.6.3. Mathematical modelling of the moment of departure...49
  • 3.1.6.4. Effect of staging on the state of the population...51
  • 3.2. Breeding...52
  • 3.2.1. Distribution and numbers in the Baltic Sea area...52
  • 3.2.2. Selection of the breeding site...56
  • 3.2.3. Nest and the breeding period...57
  • 3.3. Auturun migration...59
  • 3.3.1. Triggenng of migration and its temporal-spatial distribution...59
  • 3.3.2. Altitude of migration. Size and composition of the flock...62
  • Migration south of Estonia and arrival in the wintenug areas...65
  • 3.3.4. Speed of migration...65
  • 3.3.5. Migration and weather...66
  • 3.4. The Barnacle Goose and agriculture...71
  • 3.4.1. Effect on vegetation...71
  • 3.4.2. Development of the goose problem and its distribution in Estonia...72
  • 4.3. Affected field cultures. Scope and dynamics of the goose problem...75
  • 3.4.4. Assessment of damage and calculation of compensation...77
  • 3.4.5. The goose problem: possible ways of solution...79
  • References...81
  • Valgepõsk-lagle Eestis. Kokkuvote...90
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Püsilink: https://www.kriso.ee/db/998560179315.html

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