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    • Pitfall Trap
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Northern pitcher plant (Sarracenia purpurea) with fly on rim
01336582
Ernie Janes / Northern pitcher plant (Sarracenia purpurea) with fly on rim
Researcher at pitfall trap used to collect Ground beetles (Carabidae). Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park,...
01661596
Edwin Giesbers / Researcher at pitfall trap used to collect Ground beetles (Carabidae). Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park,...
Researcher emptying pitfall trap used to collect Ground beetles (Carabidae). Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National...
01661595
Edwin Giesbers / Researcher emptying pitfall trap used to collect Ground beetles (Carabidae). Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National...
Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...
01661594
Edwin Giesbers / Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...
Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...
01661593
Edwin Giesbers / Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...
Researcher holding Ground beetle (Carabidae) caught in pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, T...
01661592
Edwin Giesbers / Researcher holding Ground beetle (Carabidae) caught in pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, T...
Pitfall trap used for weekly trapping of Ground beetles (Carabidae), researcher approaching in background. Long-term monitoring. has revealed a 72 percent reduction in Ground beetle numbers in past 22...
01661589
Edwin Giesbers / Pitfall trap used for weekly trapping of Ground beetles (Carabidae), researcher approaching in background. Long-term monitoring. has revealed a 72 percent reduction in Ground beetle numbers in past 22...
Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...
01661588
Edwin Giesbers / Researcher emptying Ground beetles (Carabidae) from pitfall trap. Long-term monitoring has revealed a 72 percent reduction in Ground beetle numbers in past 22 years. Dwingelderveld National Park, The...