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Transcript of Southern Interior Forest Region Soils Plant Ecology Hydrology Geomorphology Silvicultural Systems...
![Page 1: Southern Interior Forest Region Soils Plant Ecology Hydrology Geomorphology Silvicultural Systems Wildlife Ecology Forest Science Program Research, Consultation,](https://reader035.fdocuments.us/reader035/viewer/2022062423/5697bfc81a28abf838ca89d3/html5/thumbnails/1.jpg)
Southern Interior Forest Region
Soils
Plant Ecology
Hydrology
Geomorphology
Silvicultural Systems
Wildlife Ecology
Forest Science ProgramResearch, Consultation, and Extension
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2006-2007 updateExamples of products
170 extension events and products10-15 peer-reviewed publications
“Guidance” information for MPB retention strategies for wildlife, biodiversity,
and, hydrologyWildfire erosionSarco and Mt. CaribouSoil value and FREP
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Silvicultural Systems Researchers
André TeresaMichaela
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Provincial team
Our Mission is to provide current and future credible and relevant science-
based silviculture information and expertise
![Page 5: Southern Interior Forest Region Soils Plant Ecology Hydrology Geomorphology Silvicultural Systems Wildlife Ecology Forest Science Program Research, Consultation,](https://reader035.fdocuments.us/reader035/viewer/2022062423/5697bfc81a28abf838ca89d3/html5/thumbnails/5.jpg)
Silvicultural Systems ProjectsSouthern Interior Forest Region
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Silviculture Conservation Biology
Disturbance Ecology
André’s program
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Dry-belt forests in the Southern Interior of British Columbia:
Perspectives on Historic Disturbances and Implications
for Management
André Arsenault & Walt Klenner
BC Forest Service
Southern Interior Forest Region
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0 50 100 150 Kilometers
N
Accounts by early explorers and surveysPast harvesting and other disturbances
a) Number of fires (1950-97)
Month
J F M A M J J A S O N D
Nu
mb
er o
f fi
res
0
500
1000
1500
2000
2500b) Area burned (1950-97)
Month
J F M A M J J A S O N D
Are
a b
urn
ed (
ha)
0
5000
10000
15000
20000
25000
Human-causedLightning-caused
Fire and lightning data
Fire scars and tree rings
0 30 60 Kilometers
N
Recorded (FIP) Harvesting in theKamloops Region to 1996
NDT4b4c
Grasslands
Harvested Areas
Main Rivers
Main Lakes
TFL's (Data??)
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• A complex mixed-severity fire and insect disturbance regime likely shaped historic conditions
• Choosing a point in time for reference conditions is problematic making “ecosystem restoration” difficult
• Identify key and measurable resource management
objectives (e.g. human safety, wildlife habitat, livestock forage)
Some Key findings
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2003 Post-wildfire managementFirst Soil Seedbank study in the IDFShowing rapid recovery of vegetation post-fireNeed to re-assess grass-seeding practices
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A tool box for IDF forest management: Experimental TreatmentsThe Opax Mt. and Isobel projects
Testing alternatives to partial cutting Dry forests in open conditions
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A tool box for IDF forest management:2006-2007 field studiesThe Opax Mt. and Isobel projects
Seed predation Performance
Tree Regeneration
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Extension
Summer Sisco 2006 >100 souls
Forest managers of the futureLearning about IDF forests
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Distribution ecology of lichens in ICH
Macrolichen Calicioid lichen
•Comparison of young and old stands
•Habitat requirements for old-growth-associated species
•Cyanolichen distribution and tool for predicting diversity hot-spots
•Information used during LRMPS•Many papers, presentations, Best paper award, new hypotheses
Inland rainforests Provided assistance to Arrow/Boundary DistrictAnd Pope and Talbot in the Incomappleux
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Management Issue:
Can we harvest timber and maintain caribou winter habitat ?
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Mountain
caribou
Northern caribou
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Group Selection Group Selection based on based on openings up to openings up to 1.0 ha1.0 ha
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Response of arboreal Response of arboreal lichenlichenbiomass and biomass and compositioncomposition
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Conclusions:After 10 years post-harvest, the
residual forest continues to provide adequate lichen forage for caribou. There is acceptable regeneration of
the treatments, and there are minimal impacts on biodiversity (birds, small
mammals, plants).
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Management Issue:
Are there alternatives to clearcutting that managers can use to address issues such as
visual quality and species selection?
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Uniform shelterwood silvicultural systems
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Douglas-fir is an important species for timber harvesting and biodiversity.
Can Douglas-fir be regenerated and grown on frost prone sites in the SBS using various levels of residual basal area retention?
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Uniform shelterwoods or variable retention treatments can be used to manage visual quality and biodiversity but what are the implications to regeneration and overstory trees when partial cutting on root disease infected sites?
Ice Road near Nakusp Mount Seven near Golden
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Conclusions:
The SBS shelterwood trial is adequately stocked with Douglas-fir in the seed cut treatments and the final cut is scheduled for 2010.
The ICH trials are successfully regenerated with several species but growth is affected by the residual basal area. Survival is just starting to be affected by Armillaria.
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Regeneration and Stand Tending
• Regeneration in non-conventional silvicultural systems (i.e. small gaps, under shelterwoods)
• Brushing (including broadleaf species)• Stand rehabilitation• Growth and yield of mixed species stands• Site preparation / planting treatments • Species Selection• Density management• Fertilization
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Issue: How many aspen can be retained in a pine stand without
compromising conifer productivity?
Or to Brush or not to brush!!
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Depends on where you are
SBSdw1
SBPSxc
IDFdk
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And how much you have
You can keep some
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Current outcomes
• Identified “best” method to predict level of competition in the field
• Free growing guidelines have been altered
• Able to predict future growth under different competitive environments
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Issue: Over 130,000 ha of
height repressed
pine
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Possible Solutions
• Keep current growing stock – stand tending options
• Start over – rehabilitation options
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Outcomes: Fertilization / thinning worked
(36 years old in the SBPSdc)
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Program Challenges
• To continue to address high profile issues: provincially and regionally
• To promote implementation of research results where applicable and relevant
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Program Successes
* A network of well designed long-term research installations that are used for continuous learning by a diverse research community even within changing environments
* Knowledge transfer to foresters, students, the public and the academic community
* Continuous success in securing research funding through competitive process
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Researchers at work!