Bijgesneden beeld van ecoloog in latex handschoenen met schelpen en plastic vuilnis - Stockfoto’s en -afbeeldingen

Cropped view of ecologist in latex gloves holding plastic garbage and

Close-up of a Petri dish with a sample of plants from a pond for research in the hands of a laboratory worker, top view

Cropped view of ecologist in latex gloves holding seashells and plastic garbage

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

Partial view of ecologist in latex gloves touching ground

Hand in glove collects water in a test tube.

An environmental laboratory specialist in a protective suit takes a sample of soil from the river bottom with tweezers for research, close-up

Partial view of water inspector in latex gloves with test tube taking water sample

Partial view of water inspector in respirator and goggles taking water sample

Partial view of water inspector in latex gloves taking water sample at river

Cropped view of ecologist in latex gloves touching plant

Water inspector in protective costume and respirator taking water samples at river

Partial view of water inspector in latex gloves with test tube taking water sample

Water inspector in protective costume, latex gloves and respirator taking water sample at river

Cropped view of water inspector in latex gloves taking water sample at river

Full length view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river

Water inspector in protective costume and respirator taking water sample at river