Responses of estuaries to natural and ... - University of Hull

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Determining Unhealthy Systems? Medical (*1) – • Diagnosis • Prognosis • Treatment • Prevention (*1 Steevens et al 2001 - Human Ecol. Risk Ass.) Environmental – • Assessment (*2) • Prediction • Remediation/Creation/ Restoration • Prevention (* 2 using extension of symptoms for the diagnosis of ecosystem pathology)
Attributes for the diagnosis of ecosystem pathology: ⇒ 7 indicators for general application: • primary production • nutrients (fate & effects) • species diversity (abiotic areas) • community instability (biotic composition) • size and biomass spectrum • disease/anomaly prevalence • contaminant uptake and response
Page 1 and 2:
Responses of estuaries to natural a
Page 3 and 4:
DPSIR Approach Driving forces (huma
Page 5 and 6:
The endless loop Ecology Fysische s
Page 7 and 8:
Science, information & data needs f
Page 9 and 10: atural factors natural variation (n
Page 11 and 12: Wind & SPM: ‘noise’ to the one
Page 13 and 14: Response area (> 100 km away) Marsd
Page 15 and 16: 36.9 e non-linear > 2-fold increase
Page 17 and 18: SPM SPM (g m -3 g m 100 ) -3 ) 120.
Page 19 and 20: North Sea tidal import & accumulati
Page 21 and 22: ocess level
Page 23 and 24: De Jonge & Elliott 2001
Page 25 and 26: ue to management easures in 1990 th
Page 30 and 31: Concentration (mg-N m -2 ) Hysteres
Page 32 and 33: Stable versus unstable conditions S
Page 34 and 35: oelke et al. 004 Biovolume, µm 3 l
Page 36 and 37: Ascendency vs. Overhead (“Organiz
Page 38 and 39: Overhead (“disorder”) Measure o
Page 40 and 41: • High variability intrinsic to t
Page 42 and 43: undamental & Applied Sciences Polic
Page 44 and 45: ppealing results: Convert in . indi
Page 46 and 47: Traditional Threats (a) vs. Emergin
Page 48 and 49: Soluble (a) vs Insoluble (b) proble
Page 50 and 51: Obtaining Data & Information for Ma
Page 52 and 53: Threats & Challenges e.g. #1: • l
Page 54 and 55: Cumulative Species Nos. 120 100 80
Page 56 and 57: CONDITIONS SYMPTOMS CONSEQUENCES LI
Page 58 and 59: Changes as a response to management
Page 62 and 63: Ecosystem health - V-O-R Approach,
Page 64 and 65: Example hypotheses for future study
Page 66 and 67: Define conceptual models of change
Page 68 and 69: From Indicators to Classification S
Page 70 and 71: Habitat Loss: • Permanent - remov
Page 73 and 74: Land Claim - still occurring: Encro
Page 75 and 76: Threats & Challenges #2: • large-
Page 77 and 78: Priority - ‘dry feet’ first the
Page 79 and 80: coastal adjustment set-back/ manage
Page 81 and 82: ‘Win-win-win situation’ Photos:
Page 83 and 84: Future - biodiversity change: • D
Page 85 and 86: Challenge - not just assessing nega
Page 87 and 88: Challenge - to determine relative e
Page 89 and 90: Policy strategies, development, mer
Page 91 and 92: US - Level of expression of symptom
Page 93 and 94: Mitigation (‘to make less severe
Page 95 and 96: The Estuary & Coast - Major Legisla
Page 97 and 98: Understanding & Managing Estuarine
Page 99: Ultimate Aim: “Give us the tools
Page 102 and 103: Harris, G., 2004. The challenge of
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