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Side view of young female biologist using multiparameter instrument while testing dissolved oxygen in river.
It is a human hand and walking on a little green grass and in the background behind him
A black male and Hispanic female scientist wearing casual work attire test a water sample outdoors, documenting findings on a mobile device.
In your hand, the pine tree seedlings
Testing water with a water parameter meter, such as pH, conductivity, Ta, redox and oxygen.
Cute teenage girl, crouching on river bank, dreamily lets a water deroplet fall from her finger
Woman picking berries and mushrooms in forest
Goiânia, Goias, Brazil – January 05, 2022: A worker who cuts grass at the edge of a lake using appropriate equipment.
Wide shot of senior Caucasian male ecologist in safety vest taking samples at bank of river in forest on summer day, copy space
Coming to the mangrove forest in the Mekong Delta, visitors will have wonderful and unforgettable experiences when visiting the mangrove ecosystem with many rare and diverse species of flora and fauna with wild, fresh nature. Seen from above, the coastal mangrove forest is like a green carpet suspended in the sea. It can be said that mangroves are the most diverse and characteristic ecosystems among the forest systems.
hand checking the condition of the lawn
Cheerful mature female streamer is telling about her journey to river in foothills
A young pine trees in your hands.
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
Flax seeds in woman's hands isolated on white background. High quality photo
Female biologist measuring water sample with digital device in river.
A mature male carefully pans for gold along an Alaska river. He is sitting on the bank with his feet in the river and carefully lowering the pan into the water.
A close-up view of a female farmer planting young rice seedlings in a rice paddy field.
A sprig with lavender leaves on a female palm.
Photo of a woman taking care of her plants in a yard by the river
Senior Caucasian ecologist wearing orange safety vest and gloves sitting at bank or forest river taking water sample
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Put the worm on the hook. Fishing
Side view of male biologist taking a sample of water from the river.
Unity with nature. A woman's hand touches green grass. Ecology, nature and people, Happiness
Ecologist doing field-based water samples studies using mobile laboratory. Survey of biodiversity in marine ecosystems and restorative environments (dams).
BOUCOIRAN, FRANCE - MARCH 16, 2014: Gold digger in France in the region of Cevennes and the department of Gard in the middle of the river called Le Gardon.
Senior Man Playing with Stick in Fast-Flowing Spring River
A hand dropping grass seeds into the soil on the backyard of a house.
Portrait of a biologist examining water sample from a natural park.
Free Images: "bestof:Volunteer Ina Alexotos, Blanco River Reforestation Coordinator for non-Profit Treefolks, laying down switchgrass seed. Volunteer Ina Alexotos, Blanco River"
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