BfN Skripten 220: 1–102.Mäkirinta, U., 1978. Journal of Ecology 88: 1030–1040.Schaumburg, J., C. Schranz, J. Foerster, A. Gutowski, G. Hofmann, P. Meilinger, S. Schneider & U. Schmedtje, 2004. The LEDA traitbase: a database of life-history traits of the Northwest European flora. If you find the file index to be outdated (“download.file errors: […] cannot open URL”), check in the latest commits if the github development version already has an updated index (install with … Die Lebens- und Wuchsformen der makrophytischen Wasserpflanzen und deren Beziehungen zu Ökologie, Verbreitung und Vergesellschaftung der Arten. This resampling study in 338 semi-permanent plots analyses changes in river macrophyte diversity in 70 water courses (small streams to medium-sized rivers) from four regions of the northwest German lowlands during the last six decades.
Berlin.Buttler, K. P. & M. Thieme, 2011.
Flora Indicativa – Ökologische Zeigerwerte und biologische Kennzeichen zur Flora der Schweiz und der Alpen. Florenliste von Deutschland – Gefäßpflanzen, Version 3.
When two time steps (1950s vs. 2010/2011) were compared and values were normally distributed (according to a Shapiro–Wilk test), the To achieve sufficient comparability among the different data sets, only hydrophytic species (plants with morphological adaptations to life in water in the form of submerged or floating leaves) were included in the analyses. Species indicator values as an important tool in applied plant ecology – a review. Increasing the utility of indicator species analysis. Der Deutsche Wetterdienst ist eine Bundesoberbehörde im Geschäftsbereich des Bundesministeriums für Verkehr und digitale Infrastruktur. Floristic changes in the river Tees. Scripta Geobotanica 18: 1–258.Federal Water Act of Germany, 2009. Wetterphänomene vor der Kamera Macrophyte species composition in streams of Latvia under different flow and substrate conditions.
We analysed data sets from three different periods (A: 1936–1969, B: 1983–1986, C: 2010/2011). Science of the Total Environment 407: 4752–4763.Diekmann, M., 2003. Zeigerwerte von Pflanzen in Mitteleuropa. Morphologische Fließgewässertypen in Niedersachsen – Leitbilder und Referenzgewässer. Limnologica 13: 427–448.Wiegleb, G., 1991. Trends in be-obachteten Zeitreihen von Temperatur und Niederschlag in Niedersachsen. Phytocoenologia 4: 446–470.Marques, J. C., S. N. Nielsen, M. A. Pardal & S. E. Jørgensen, 2003. A. Kopaska & J.
Importance of groundwater discharge for plant species number in riparian zones. Ulmer, Stuttgart.Herr, W. & G. Wiegleb, 1984. You can also search for this author in Four species [The mean number of species per relevé decreased from 4.7 to 3.8 between the 1950s and 2010/2011 (Fig. (ed. In Ettl, H., J. Gerloff & H. Heynig (eds), Süsswasserflora von Mitteleuropa 24. The dramatic impoverishment is likely a consequence of continued nutrient input that drove oligo- and mesotraphent species to extinction, and of restructuring and maintenance works in the water courses that reduced stagnant and undisturbed river habitats, where stress-intolerant species can persist. & H. D. Krausch, 1981. Springer, Wien.Bundesministerium für Umwelt, Naturschutz und Reaktorsicherheit, 2010.
A. Species loss was related to marked changes in macrophyte community composition with nearly half of the species present in the relevés in the 1950s either having disappeared until 2010/2011 or having been replaced by other species. Bundesgesetzblatt Teil 1(51): 2585–2621.Garniel, A., 1999. Freshwater Biology 7: 43–60.Hoppe, A., 2005. Monatswerte der wichtigsten Parameter aus den letzten 12 Monaten ; ... Deutscher Wetterdienst Zentraler Vertrieb Klima und Umwelt Frankfurter Straße 135 Postfach 100465 63004 Offenbach. Ecological classification of macrophytes and phytobenthos for rivers in Germany according to the Water Framework Directive. Der Niederschlag in Sydney ist hoch, auch während dem trockensten Monats. The slight decrease in the mean EIV for nitrogen, as observed since the 1980s, might reflect a decreased mineral nitrogen load in the studied river systems.
Limnologica 37: 146–154.Landolt, E., B. Bäumler, A. Erhardt, O. Hegg, F. Klötzli, W. Lämmler, M. Nobis, K. Rudmann-Maurer, F. Schweingruber, J.-P. Theurillat, E. Urmi, M. Vust & T. Wohlgemuth, 2010.
Human impact on the ecological performance of We are thankful to the Reinhold-Tüxen-Archive (Hannover) for granting access to historical vegetation relevés.
BiolFlor – Eine Datenbank zu biologisch-ökologischen Merkmalen der Gefäßpflanzen in Deutschland. Isoetids disappeared completely (Fig.
Referenzliste der Moose Deutschlands. In contrast, a comparatively high species turnover was found in the regions Ems-Hunte and eastern Holstein, where potamal rivers prevail in the intensively used agricultural landscape. Both the decrease in the regional species pool and in the plot-level diversity were dramatic with the consequence that most water courses are colonised nowadays by only species-poor, relatively uniform communities that contain a high proportion of species adapted to disturbance.
Monatswerte Saison-/kalenderbereinigte Monatswerte langfristiger Durchschnitt Trend Verarbeitendes Gewerbe Auftragseingänge - Gesamt (2015 = 100) 100 140 180 220 260 300 340 380 100 140 180 220 260 300 340 380 2016 2017 20182019 Quelle: Amt für Statistik Berlin-Brandenburg, eigene Berechnungen Monatswerte Saison-/kalenderbereinigte Monatswerte
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