References 
| ELLWANGER, G. & S. ZIRPEL (1995): Breeding record of Anax imperator Leach at a peat bog in Estonia (Anisoptera: Aeshnidae). - Libellula 14(1/2): 41-48 |
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| ELLWANGER, G. (1996a): Vegetation of bogs and fens of the Brocken (Harz mountains, Germany). I. Plant communities of the fens. - Hercynia N.F. 30(1): 69-97. | |||
| - (1996b): Habitat of Somatochlora alpestris Selys (Anisoptera: Corduliidae) at the Mount Brocken in the Harz Mountains (Sachsen-Anhalt, Germany). - Libellula 15(3/4): 101-129. | |||
| - (1997a): Vegetation of bogs and fens of the Brocken (Harz mountains, Sachsen-Anhalt, Germany) in regard to vegetation changes since the 1930s - a survey. - Ber. Naturhist. Ges. Hannover 139: 105-119. | |||
| - (1997b): Vegetation of bogs and fens of the Brocken (Harz mountains, Germany). II. Plant communities of bogs, peat-cuttings and carr vegetation. - Hercynia N.F. 30(2): 241-271. | |||
| - (1997c): Killid Männikjärve rabas [Dragonflies of the Männikjärve-bog]. - Eesti Loodus 10/97: 413. |
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| - (1998a): Wood and ecotone communities on gypsum and bituminous limestone in the western Harzfelder Holz (rural district Nordhausen, Thüringen). - An investigation with special regard to the high value of the Harzfelder Holz for nature protection. - Hercynia N.F. 31: 173-189. | |||
| - (1998b): Karstlandschaft Südharz. Biosphärenreservat in Planung. - Biosphäre 19: 19-20. |
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| - & S. RÖHL (1998): Unbekannte Karstlandschaft. Biosphärenreservat Südharz in Planung. - Nationalpark 99(2): 32-36. | |||
| RÖHL, S. & G. ELLWANGER (1998): Märchenlandschaft unterm Hammer. - Kosmos 4/98: 86-87. |
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| ELLWANGER, G. (1999a): Assessment of implications within the meaning of the EU Habitats Directive: The case of mining project in a "gypsum karst near Osterode", Germany. - Natur und Landschaft 74(11): 478-484. | |||
| - (1999b): The importance of the proposed site of community interest (pSCI) "Gipskarst bei Osterode" (Lower Saxony, FR Germany) for the European NATURA 2000 protected-area-system. - Göttinger Naturkundliche Schriften 5: 169-178. | |||
| - (1999c): Aus der Arbeit der Verbände: Die Gesellschaft zur Förderung des Biosphärenreservates Südharz e.V. (GFB) stellt sich vor. - Landschaftspflege und Naturschutz in Thüringen 36(2): 68-69. |
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| -, S. BALZER, U. HAUKE & A. SSYMANK (2000): National-level assessment under the Habitats Directive: Determing overall areas of Annex I habitat types in Germany. - Natur und Landschaft 75(12): 486-493. |
summary
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| - (2001): Distribution maps of the dragonfly species of Annex II and IV of the Habitats Diretive in Germany. - Abh. Ber. Naturkundemus. Görlitz 73(1): 19-21. | |||
| -, E. BLANKE & U. SCHÄFER (2001): Fragen und Antworten zum geplanten Biosphärenreservat Südharz. - Göttingen (Selbstverlag der Naturfreunde Niedersachsen e. V. & Gesellschaft zur Förderung des Biosphärenreservates Südharz e. V. (GFB) (Hrsg.)) 45 S. |
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| -, B. PETERSEN & A. SSYMANK (2002): National-level site assessment under the Habitats Directive: Population data determination, site assessment methods and EU reference lists for Annex II species in Germany. - Natur und Landschaft 77(1): 29-42. |
summary
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PETERSEN, B.; ELLWANGER, G.; BIEWALD, G.; HAUKE, U.; LUDWIG, G.; Pretscher, P.; SCHRÖDER, E. & A. SSYMANK (Bearb.)(2003): Das europäische Schutzgebietssystem Natura 2000. Ökologie und Verbreitung von Arten der FFH-Richtlinie in Deutschland. Band 1: Pflanzen und Wirbellose. - Schriftenreihe für Landschaftspflege und Naturschutz 69/1: 743 S. |
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| ELLWANGER, G. (2001): Some notes on dragonflies in spring 1993 in Estonia. - Unpublished data (finished 09.03.2001). | |||