envirothon 2012 fisheries
DESCRIPTION
Envirothon 2012 Fisheries. What is fisheries management Current Topics Understanding streams Using a dichotomous fish key. Fisheries Management in Missouri. People – Fish - Habitat. Current Topics. Federally-Endangered Pallid Sturgeon Threats?. Current Topics. - PowerPoint PPT PresentationTRANSCRIPT
Envirothon 2012 Fisheries
WHAT IS FISHERIES MANAGEMENT
CURRENT TOPICS
UNDERSTANDING STREAMS
USING A DICHOTOMOUS FISH KEY
Fisheries Management in
Missouri
PEOPLE – FISH - HABITAT
FEDERALLY-ENDANGEREDPALLID STURGEON
THREATS?
Current Topics
IDENTIFY SOME OF THE THREATS TO THE PALLID
STURGEON IN MISSOURI’S RIVERS
Current Topics
ASIAN CARP
Current Topics
FILTER FEEDING BY ASIAN CARP IS A THREAT TO NATIVE SPECIES, INCLUDING: PADDLEFISH,BIGMOUTH BUFFALO, GIZZARD SHAD AND LARVAE AND JUVENILES OF ALL SPECIES
Current Topics
THINK OF SOME WAYS WE COULD CONTROL EXPLODING POPULATIONS
OF ASIAN CARP ON MISSOURI’S RIVERS.
Current Topics
FEDERALLY-ENDANGERED
TOPEKA SHINER
INFO AT: MDC.MO.GOV/NODE/5165
Current Topics
TOPEKA SHINERS ARE FOUND IN PRAIRIE
STREAMS OF CENTRAL MISSOURI
Current Topics
DUE TO HABITAT DEGRADATION ONLY
TWO TOPEKA SHINER POPULATIONS REMAIN
IN MISSOURI
Current Topics
WHY HAVE TOPEKA SHINERS BEEN IN SUCH A
SEVERE DECLINE?I N T E N S I V E R O W C R O P P R O D U C T I O NI N C R E A S E D U R B A N I Z AT I O NC O M P E T I T I O N F R O M O T H E R S P E C I E SM O R E W I D E S P R E A D U S E O F P E S T I C I D E SF R A G M E N TAT I O N O F H A B I TATT R I B U TA R Y I M P O U N D M E N TH I G H WAY C O N S T R U C T I O N
Current Topics
HOW CAN WE RECOVER TOPEKA SHINERS?
BY USING BEST MANAGEMENT PRACTICES IN WATERSHEDS WHERE TOPEKA SHINERS ARE HISTORICALLY LOCATED. TRY TO COME UP WITH SOME GOOD EXAMPLES OF THESE PRACTICES.
Current Topics
TOPEKA SHINER RECOVERY PLAN CAN BE FOUND AT:
MDC.MO.GOV/NODE/5165
Current Topics
WATERSHEDFLOODPLAIN
RIPARIAN CORRIDORCHANNEL
Understanding Streams
WATERSHEDFLOODPLAIN
RIPARIAN CORRIDORCHANNEL
Understanding Streams
A Healthy Channel is Sinuous Channel
= 10 MILES
620 ft
590 ft
C A
= 5 MILES
620 ft
590 ft
Gradient Velocity
620 ft
590 ft
10 MILES
620 ft
590 ft
5 MILES
Gradient = 3 ft per Mile
Gradient = 6 ft per Mile
Headcut Erosion Upstream
Deposition Downstream
WATERSHEDFLOODPLAIN
RIPARIAN CORRIDORCHANNEL
Understanding Streams
WATERSHEDFLOODPLAIN
RIPARIAN CORRIDORCHANNEL
Understanding Streams
Missouri Fish Identification
A dichotomous key is a tool used to ID trees, wildflowers, mammals, reptiles, rocks, and fish. "Dichotomous" means "divided into two parts.” Therefore, dichotomous keys always give two choices in each step.
Start With Family
Begin at beginning.Need to use glossary for
definitions. One bad guess and you lose.Ex. Pectoral and pelvic fins
absent, Lampreys Go to page 38.
On To Genus
Need to use pictures of anatomy. One bad guess and you lose.Ex. Eyes developed; Dorsal fin divided
into two distinct parts - go to page step 6.