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10Habitat and BiologyCauses for the decline of the Great Bustard❚❚❚❚❚increase in mowing andother work processesintensive fertilizationpesticidessoil compactionhigher livestock densities❚❚❚❚time between work processesno longer sufficient forbreeding and rearingdense and high vegetationwith unfavorable microclimatespecies-poor plant stocksdecline in invertebrates(number of species andbiomass)❚❚❚❚large losses due to machineuse (clutches, young andadult birds)insufficient sunny areas forthe chickshigh resistance to movementstarvation due to acute lackof invertebrates
Habitat and Biology11100 cm75 cm50 cm25 cm0 cmOnly extensively utilised meadows (right), arable land and fallow ground offer enough food for great bustard chicks; they have no chance ofsurvival in high, thick, intensively used grassland (left). The photo (below) shows an area of arable ground which is particularly rich in insects.
Page 1: Species and Biotope ConservationThe
Page 4 and 5: 2 The Great Bustard - the Brandenbu
Page 6: 4 The Great Bustard - the Brandenbu
Page 9 and 10: Habitat and Biology7...today on fie
Page 11: Habitat and Biology9...a rare birdT
Page 15 and 16: Habitat and Biology13The courtship
Page 17 and 18: Habitat and Biology15Did you know..
Page 19 and 20: Habitat and Biology17Annual Cycle o
Page 21 and 22: Habitat and Biology19Severe winters
Page 23 and 24: Conservation21...international resp
Page 25: Conservation23The conservation of t
Page 29 and 30: Conservation27The artificial henLar
Page 31 and 32: Conservation 29Fosterlings in needO
Page 33 and 34: Conservation 31Great Bustard in Con
Page 35 and 36: Conservation 33Compensation and mit
Page 37 and 38: Conservation 35With understanding a
Page 39 and 40: Conservation 3716014012010080rescue
Page 41 and 42: Observation39For the viewer it is a
Page 43 and 44: State Bird Conservation Centre41Fro
Page 45 and 46: State Bird Conservation Centre43In
Page 47 and 48: Information45National and internati
Page 49 and 50: Information47Internet ResourcesAddr
Page 52: Ministry for Environment, Health,an

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