Monthly Archives: January 2019

Cycles of the Stream: Musings

Guest Blogger: Michael Vorhis, author of ARCHANGEL suspense thriller, OPEN DISTANCE adventure thriller & more to come

From time to time I give a little thought to some of the repetitive cycles that are observable on a stream. There are many, each with its own unique periodicity–daily solar-based cycles, lunar/tidal cycles that occur in deltas but come to affect the complete watershed, lunar/monthly cycles, seasonal cycles, annual cycles, fluctuations that ebb or flood across multi-year stretches, migration cycles…the list is endless. They manifest themselves through other life form transitions, water temperatures and levels, predator behavior, water quality variations…and sometimes they include human impact.

<Figure 1 >

Taken en masse, they’re collectively enough to boggle the mind; in total they present a near-incomprehensible tangle of changing conditions and reasons for fish behaving this way or that. If on a given day an angler attempts to understand or predict the “truth” of a stream by gazing into the beam of the complete picture, he or she will go quickly blind; the complete picture is thousand-dimensional–a pulsating matrix of subtleties so complex, so intertwined, that not even our arrogant human cerebral engines can parse it. As long as we’ve been on the planet, we still grasp only a handful of the more obvious mechanisms of a stream and its inhabitants. more…