fiheries lab report
Fisheries
and
Aquatic Ecology
FWCE 110
College of ACES
Department of Fish, Wildlife, and
Conservation Ecology
Learning Objectives
REINFORCE USE OF
WATER QUALITY
PARAMETERS
LEARNED AT THE
BEGINNING OF THE
SEMESTER AND
LEARN HOW THESE
PARAMETERS
RELATE TO FISH
POPULATIONS.
UNDERSTAND WHAT
A SHANNON-WIENER
DIVERSITY INDEX IS
AND IDENTIFY
FACTORS THAT
CONTRIBUTE TO THIS
INDEX, INCLUDING
SPECIES RICHNESS
AND SPECIES
EVENNESS.
INTERPRET THE
SHANNON-WIENER
DIVERSITY INDEX AND
UNDERSTAND WHY IT
IS A VALUABLE TOOL
IN ECOLOGICAL
STUDIES.
LEARN SAMPLING
METHODS TO
COLLECT FISH AND
IDENTIFY SOME
COMMON MINNOW
SPECIES.
Fisheries Management
• A fishery can refer to an occupation, industry, or even
a season for catching fish, or where fish are caught.
• Commercial – catching and marketing fish and shellfish for
profit.
• Recreational – fishing for sport or pleasure.
• Subsistence – fishing for personal, family, and community
consumption or sharing.
NOAA (2020)
Fisheries Management
• We manage U.S. fisheries to:
• Sustain, protect, and increase domestic seafood supply.
• Maintain and enhance recreational and subsistence
fishing opportunities.
• Protect ecosystem health and sustainability.
• Create jobs, support related economic and social
benefits, and sustain community resilience.
*Like wildlife management, we need to make sure that fish populations stay
above a certain level and keep harvest rates at a level that allows the fish to
produce maximum sustainable yield.
NOAA (2020)
Fisheries Management
• Habitat loss, fragmentation, and degradation are
some of the primary factors in the decline of both
native and non-native species. Various sources of
pollution are also worsening water quality and
habitat.
• National Conservation Strategies
• National Fish Passage Program
• Fish and Wildlife Conservation Offices
• National Fish Habitat Partnership
• Sikes Act
USFWS (2020)
The ‘salmon cannon’ that shoots fish over a dam by Whooshh innovations –
YouTube
Connecting Fish Habitat: Barriers that Prevent Fish Passage
Assessing a
Healthy Fishery
• Survival estimates
• Abundance estimates
• Age-growth estimates
• Species Diversity
Sampling Methods
• Gee or Minnow Traps
• Gill Nets
• Hoop Nets
• Seine Nets
• Electroshocking
• Enclosure Traps
• Visual Observations
Depends on
your
species of
interest!
C. B. Portt, G. A. Coker, D. L. Ming, & R. G. Randall (2006)
Minnow
Species of
NM
New Mexico Game & Fish, 2020
Lab Report
• Collected habitat data from Knox Pond
• Collected fish and identified species for
each location
• Data for the Mesilla Valley Bosque Park
Pond is provided for comparison
• Calculate Shannon Diversity Index in
Excel
• Draw conclusions!
Parameters of
Interest
• Water Temperature
• Secchi Depth
• pH
• Salinity
• Shannon-Wiener Diversity
Index
Species Diversity
• Variation of species in a particular region
• Richness – Total number of individuals
• Evenness – number of different species
• Dominance – Most abundance species present
Species Diversity
• Shannon Diversity Index
(H) is an index used to
characterize species
diversity in a community.
• It accounts for both
abundance and evenness
of the species present.
M. Beals, L. Gross, & S. Harrell (2000)
Higher values of “H”
represent more diverse
communities
Species Diversity
H2 = 0.56
H1 = 1.36
Higher values of “H”
represent more diverse
communities
Keywords for
Literature Search
• Fisheries Management
• Fisheries Conservation
• Diversity Index
• Shannon-Wiener Diversity Index
• Species Richness
• Species Evenness
• Species Diversity
• Fish community
• Minnow Diversity
Literature Search Tips
• Mendeley – mendeley.com
• Connected Papers – connectedpapers.com
• Paper Pile – paperpile.com
• Researcher – researcher-app.com
• Request access from author directly!
Questions?
Looking Forward
TODAY
• Work through Shannon
Diversity Index in Excel
• Fisheries Lab Report
• Due week of Nov. 11th
COMING UP
• Next week –
• Computer lab
- Slide 1: Fisheries and Aquatic Ecology
- Slide 2: Learning Objectives
- Slide 3: Fisheries Management
- Slide 4: Fisheries Management
- Slide 5: Fisheries Management
- Slide 6: Assessing a Healthy Fishery
- Slide 7: Sampling Methods
- Slide 8: Minnow Species of NM
- Slide 9: Lab Report
- Slide 10: Parameters of Interest
- Slide 11: Species Diversity
- Slide 12
- Slide 13: Species Diversity
- Slide 14: Species Diversity
- Slide 15: Keywords for Literature Search
- Slide 16: Literature Search Tips
- Slide 17: Questions?
- Slide 18: Looking Forward
