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Scientist measuring environmental water quality in a wetland using a multi-parameter probe
Asian mid adult scientist male in casual cloth collecting water sample into a test tube for laboratory water analysis to analyze heavy metals contamination in water at marsh, ิbotanic garden. Environmental and conservation research
a man, wearing a straw hat, squatted in a waterlogged rice field in the Ebro Delta in Deltebre, Catalonia, Spain
Sign of drought in Southern California
Recreational fisherman at river bank trying to catch a fish. Angler lifestyle concept.
vitoria da conquesta, bahia / brazil - october 28, 2011: Person is seen collecting water from Pedra Mole Dam in the rural area of Vitoria da Conquista municipality.
Adult man relax walking on sunny summer day in beautiful countryside
Goiânia, Goias, Brazil – January 05, 2022: A worker who cuts grass at the edge of a lake using appropriate equipment.
Senior man enjoying fishing in a mountain stream
Charobrique, Cacheu Region, Guinea-Bissau: Costa River, a tributary of the Cacheu River, with dense and wide mangroves along both banks - mangrove forests are locally known as 'Tarrafes' or 'Mangais'. Guinea Bissau has the largest compact mangrove environment in West Africa.
field researcher biologist examines a sample of soil in a test tube against a dry marsh
Rear view of one senior woman standing and looking on the shore at the river against green background.
Middle Point, Northern Territory, Australia-December 30,2017: Spectacular Jumping Crocodile Cruise with guide holding fishing rod with raw buffalo meat over the Adelaide River in Middle Point, Australia
A farmer in a white hat carrying cut weeds in a field on a sunny day.
river of grass in the Arthur R. Marshall Loxahatchee National Wildlife Refuge
Adult man relax walking on sunny summer day in beautiful countryside
female farmer planting manioc in Malawi, Africa
Young fisherman fishing on the river bank surrounded by beautiful green nature, using small fish as bait on the hook. Sport and recreation concepts.
Pond in the countryside, Talavera de la Reina, Toledo Spain
Examination of Polluted Water from river
A landscape of a stream in the Zambezi National Park, Zimbabwe
Los Barros de Luna Reservoir
Artificial pond. Green water. Clay soil. Reflection of trees. Sunlight.
Fisherman in action. Guy is throwing spoon of fly rod in water and holding part of it in hand. Man wears special protection clothes
Fish farming and arable land with small hut.
Hiking in nature of Pocono Mountain Region in Pennsylvania. Caucasian mature woman strolling on natural trails
US border fence to Mexico at El Paso
Ranohira, Madagascar - 2 May 2024: One local women does laundry in the middle of the river, standing on boulder, Isalo park. Madagascar
March 3rd, 2013, near Cape Coast, Ghana. An African woman is holding a bamboo stick with a piece of meat, luring a crocodile out of the water.
Biologists check the water sample for infections. Gloved hand with Beaker and a test tube on a background of lake, river, sea. Pollution of ecology, environment
Free Images: "bestof:Bureau of Land Management Employee Nate Wold collects mosquitos at a West Nile Virus monitoring site near White Tail Reservoir in the BLM Glasgow Field Office"
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