Diversity

Middle Columbia River Fish Indexing Analysis 2019

The suggested citation for this analytic report is:

Thorley, J.L. and Amies-Galonski E. (2020) Middle Columbia River Fish Indexing Analysis 2019. A Poisson Consulting Analytic Appendix. URL: https://www.poissonconsulting.ca/f/1050384286.

Background

The key management questions to be addressed by the analyses are:

  1. Is there a change in abundance of adult life stages of fish using the Middle Columbia River (MCR) that corresponds with the implementation of a year-round minimum flow?
  2. Is there a change in growth rate of adult life stages of the most common fish species using the MCR that corresponds with the implementation of a year-round minimum flow?
  3. Is there a change in body condition (measured as a function of relative weight to length) of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?
  4. Is there a change in spatial distribution of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?

Other objectives include the estimation of species richness and diversity. The year-round minimum flow was implemented in the winter of 2010 at the same time that a fifth turbine was added.

2020-03-18
Middle Columbia River Fish Indexing Analysis 2018

The suggested citation for this analytic report is:

Thorley, J.L. (2019) Middle Columbia River Fish Indexing Analysis 2018. A Poisson Consulting Analysis Report. URL: https://www.poissonconsulting.ca/f/1882094716.

Background

The key management questions to be addressed by the analyses are:

  1. Is there a change in abundance of adult life stages of fish using the Middle Columbia River (MCR) that corresponds with the implementation of a year-round minimum flow?
  2. Is there a change in growth rate of adult life stages of the most common fish species using the MCR that corresponds with the implementation of a year-round minimum flow?
  3. Is there a change in body condition (measured as a function of relative weight to length) of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?
  4. Is there a change in spatial distribution of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?

Other objectives include the estimation of species richness and diversity. The year-round minimum flow was implemented in the winter of 2010 at the same time that a fifth turbine was added.

2019-03-12
Middle Columbia River Fish Indexing Analysis 2017

The suggested citation for this analytic report is:

Thorley, J.L. (2018) Middle Columbia River Fish Indexing Analysis 2017. A Poisson Consulting Analysis Report. URL: https://www.poissonconsulting.ca/f/77904731.

Background

The key management questions to be addressed by the analyses are:

  1. Is there a change in abundance of adult life stages of fish using the Middle Columbia River (MCR) that corresponds with the implementation of a year-round minimum flow?
  2. Is there a change in growth rate of adult life stages of the most common fish species using the MCR that corresponds with the implementation of a year-round minimum flow?
  3. Is there a change in body condition (measured as a function of relative weight to length) of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?
  4. Is there a change in spatial distribution of adult life stages of fish using the MCR that corresponds with the implementation of a year-round minimum flow?

Other objectives include the estimation of species richness, species diversity (evenness) and the modeling of environmental-fish metric relationships and scale age data. The year-round minimum flow was implemented in the winter of 2010 at the same time that a fifth turbine was added.

2018-06-26