caa a22 4500 445891394 CHVBK 20180317145617.0 cr unu---uuuuu 170323e20110101xx s 000 0 eng 10.1007/s10750-010-0452-z doi (NATIONALLICENCE)springer-10.1007/s10750-010-0452-z Shallow coastal lakes in New Zealand: current conditions, catchment-scale human disturbance, and determination of ecological integrity [Elektronische Daten] [D. Drake, David Kelly, Marc Schallenberg] We present the results of an effort to develop a national-scale predictive model to describe the current condition of shallow, coastal New Zealand lakes. Comprehensive biological, physical and chemical data from 45 shallow, coastal lakes are compared to catchment-level disturbance indices (indigenous vegetation loss, nutrient loading, invasive species) derived by New Zealand's Waters of National Importance (WoNI) Programme. Few strong relationships were identified, but some general patterns were evident: lakes in disturbed catchments tended to have a higher trophic state, higher pH, reduced light penetration, lower submerged macrophyte cover, smaller food webs, lower rotifer diversity, and a larger proportion of introduced fish species. We discuss these patterns in the context of "ecological integrity” (EI), a subjective descriptor used in WoNI and other management programmes. A lack of historical data and difficulties in quantifying "integrity” remain persistent challenges for linking science with management for EI. Relationships between the WoNI indices and measured limnological conditions were not strong enough to build a predictive, nationally relevant model for estimating the EI. However, we present an alternative method for estimating EI based on expert assessment; expert assessment EI was significantly correlated to both WoNI pressure indices and many of the limnological variables measured here. Springer Science+Business Media B.V., 2010 Ecological integrity nationallicence Expert assessment nationallicence Expert opinion nationallicence Lake productivity nationallicence Lake water quality nationallicence Lake trophic status nationallicence Drake D. National Institute of Water and Atmospheric Sciences, 10 Kyle St., Riccarton, Christchurch, New Zealand aut Kelly David Department of Conservation, 137 Kilmore St., Christchurch, New Zealand aut Schallenberg Marc Department of Zoology, University of Otago, P.O. Box 56, Dunedin, New Zealand aut Hydrobiologia Springer Netherlands 658/1(2011-01-01), 87-101 0018-8158 658:1<87 2011 658 10750 https://doi.org/10.1007/s10750-010-0452-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10750-010-0452-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Drake D. National Institute of Water and Atmospheric Sciences, 10 Kyle St., Riccarton, Christchurch, New Zealand aut NATIONALLICENCE 700 1- Kelly David Department of Conservation, 137 Kilmore St., Christchurch, New Zealand aut NATIONALLICENCE 700 1- Schallenberg Marc Department of Zoology, University of Otago, P.O. Box 56, Dunedin, New Zealand aut NATIONALLICENCE 773 0- Hydrobiologia Springer Netherlands 658/1(2011-01-01), 87-101 0018-8158 658:1<87 2011 658 10750 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer