Disclaimer & Copyright Notices; Optimized for the IE & Firefox
Lake Carrying Capacities Homepage-(based on productivity)
Soil & Water Conservation Society of Metro Halifax (SWCSMH)
Modified: May 25, 2016
Possible exceptions in shallow and/or coloured lakes
A note of caution: This web page is primarily related to the limiting nutrients and cultural eutrophication and does not address a myriad of inevitable post–development stressors some of which are potentially of significant ecological concern on a cumulative level
Contents:
- Preferred recommendation on Total Phosphorus (TP) as a development objective:
- Select examples of leadership taken by dedicated municipalities:
- The District Municipality of Muskoka, Ontario based on ice-free period mean Chlorophyll a
- Kings County, Nova Scotia (a jpeg scan from HRM's WRMS) based on ice-free period mean Chlorophyll a
- But the trouble with Chlorophyll a as a development objective
- Notes: Although both the above examples are in the case of
septic system densities, a similar methodology is applied in setting
the amount of serviced land that can be developed
in the entire watershed without severely impacting the downstream
lakes, ponds and rivers; the inevitable post-development inputs are
transported via storm sewer discharges; buffer strips will do little in
removing such stressors
- Also see our ongoing predictive modelling
- Buffer strips
- OECD (Organization for Economic Co-Operation and Development):- Eutrophication of Waters (Vollenweider et al); Probability Distribution Diagrams preferred for trophic analyses re what 100 limnologists may conclude; an example of HRM lakes; the OECD Management Model
provides a certain safety margin for the design of the loading
objectives by defining trophic categories approximately at the class
midpoints
- Narrative on water quality
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