Investing in Forest Fertilization: tools, measures, analyses By Ralph Winter Forest Practices Branch July 25, 2005.

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Presentation transcript:

Investing in Forest Fertilization: tools, measures, analyses By Ralph Winter Forest Practices Branch July 25, 2005

ObjectivesObjectives ä review the growth and yield tools that we use ä review stand level outcomes ä review forest level outcomes ä review industry comments ä summary

Ministry has comprehensive growth and yield tools ä These tools help integrate biological information with treatment effect and stand management actions ä Tree and Stand Simulator (TASS) and TIPSY are the primary tools to evaluate stand treatments

Typical TIPSY output

Volume/age information from TIPSY

Typical TIPSY output

Analysis of a fertilized spruce plantation at age 50 compared to untreated. A volume response at age 70 of 16 cubic metres.

Analysis of a fertilized spruce plantation at age 35 compared to untreated. A volume response at age 70 of 17 cubic metres.

The Internal Rate of Return for fertilization is dependant on time to harvest Spruce plantaions km - SI % IRR can be achieved if time to harvest is less than 35 years - 30 to 40 year Govt bond rates are at 4.73%

Silviculture affects conditions produced at the forest level m 3 (millions) LRSY untreated harvest schedule treated LRSY äcurrent AAC is maintained longer decades treated harvest schedule

Allowable cut effect - sustain harvest levels longer and 5.9 % increase in the midterm Cranbrook TSA

Forest level analysis - TFL 52

TFL 52 comments

Other factors that have been analysed in comprehensive silv strategies ä direct and indirect jobs ä income tax generated ä wildlife habitat ä biodiversity ä Log quality profiles ä changes in harvest ä net revenue impacts ä stumpage

SummarySummary ä fertilization research is included in GY & forest models. ä models are used to forecast a variety of measures including volume, value, revenue, ROI and jobs ä analyses indicate that fertilization can have a positive impact when done at the right sites for the right reasons ä every tree to be harvested in the next years is in the ground today. Fertilization treatments need to commence soon if significant short or mid term timber supply improvements are desired ä operational support from industry for forest fertilization

Industry comments in FIA submissions ä ä “Increase wood volume and utilization. This will increase product output and reduce recovery costs. Also, reduce rotation age” - Bonaparte Kamloops TSA ä ä "Fertilization is a silviculture treatment that can be effectively used to increase the merchantable yield and value of established forests". - TFL 14 ä ä “Operational Fertilization programs have been recognized as a high priority for the future timber supply issues through the TSA silviculture analysis” - Westfraser

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