5.353 Gambar gratis untuk Riset

peralatan ilmu irigasi ikan air terung manusia kehidupan liar data ilmiah

Nasal speculum

Extracting glochidia from freshwater mussel-4

bawah air riset

Fish health inspection

Freshwater mussels in laundry baskets

Large recirculating propagation system

Juvenile mussels in a gridline Petri dish

Slits on outer stand pipe create currents

Refrigerated recirculating system for holding freshwater mussel brood stock

Brine shrimp culture facility

Manual siphoning of juveniles from static aquaria

PVC pipe and coupler used to form a filter cup

Floating basket-2

Barnhart Bucket-4

Pressurized garden sprayer

Syringes filled with clean water for harvesting glochidia

Disinfecting foot baths

Monitoring Salt Marsh Nekton Survey

Komputer

Measuring Secchi Depth

Mikroskop

FWS divers after a dive in the San Marcos River

Environmental education at Spring Creek National Fish Hatchery facility-2

Spawning equipment-4

Service employee collects female Fall Chinook salmon eggs

Researcher examines a freshwater mussel-1

peralatan riset

Individual tanks in the multi-tank system drain into a PVC trough

Plankton net on recirculating propagation system-1

Excised gills being placed in the culture media

Female oyster mussel gaping at the substrate surface to attract a host

Infestation bath container

Freshwater mussels in collecting bags

Marine filter sock-1

Laser engraving system

Monitoring the gills of fish host during infestation-1

In vitro metamorphosis

Siphon inserted into gravid female golden riffleshell

Aquatic habitat tank for investation

Snorkeling to find freshwater mussels

Central sump with biological filtration

Streamside infestation

Retaining ring reverse pliers

Largemouth bass being poured through a net

Glochidia under microscope

Glochidia are pipetted onto the gills of the mudpuppy

Multi-tank rack system

Culture plates under an inverted microscope

Capturing the glochidia

Searching for gravid females with a view bucket

Filter cup used to collect juvenile mussels-7

Floating basket-1

Barnhart Bucket

Floating basket-4

Biologists looking for panama city crayfish

Staff at Warm Springs Hatchery checking nets for channel catfish-2

Finding New England cottontails

sukarelawan mamalia

Capative propagation of the purple bankclimber mussel-2

FWS divers after a dive in the San Marcos River-3

petualangan riset

Old paper burn

Komputer

Measuring Secchi Depth

Thermally Powered Submersible Glider

Komputer

Vims Fetch Autonomous Underwater Vehicle

Mikroskop

20140910-ARS-LSC-01396

Tilia americana 4, American Basswood underside leaf, GFG, Howard County, Md, Helen Lowe Metzman 2018-06-20-23.25.04 ZS PMax UDR

kehidupan liar riset

Orange Sulfer, face, powerlines 2019-12-18-11.57.41 ZS PMax UDR

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Bear/Salmon research crew

sukarelawan air

Panax quinquefolius, American Ginseng seed, GFG, Howard County, Md 2019-03-22-15.06.30 ZS PMax UDR

kehidupan liar riset

20210224-ARS-LSC-0815

pertanian lingkaran

Tagging shovelnose sturgeon

kehidupan liar riset

NSW22FieldTripPresentations-IPNF-002

HERB nightshade purslane carpetweed

101-BARE

jagung manis riset

Panax quinquefolius 2, American Ginseng root, GFG, Howard County, Md 2019-03-22-15.19.18 ZS PMax UDR

kehidupan liar riset

Collecting leaf tissue from Las Vegas buckwheat

amerika serikat riset

Tagging shovelnose sturgeon

kehidupan liar riset

20140910-ARS-LSC-00888

Untitled HDR2

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MG 3470

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20121101-FS-Florida-RO-001

U.S. Forest Service Researcher Chrales Cristafulli presenting the aquatic creatures of the ponds at Mount St. Helens

kelompok ekologi

Tadpole found in one of the ponds of Mount St. Helens

peralatan ketimun

HERB pigweed purslane

203-RPRE

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