Kategoria BISAC: Nature >> Animals - Fish

This comprehensive book on the venomous stingrays of the world seas and freshwater systems provides first-hand information on the diversity, biology, and ecology of venomous stingrays of freshwater, brackish, and marine ecosystems.

Each year thousands of injuries to swimmers and surfers are reported, with 750 to 1,500 stingray injuries reported each year in the US alone. As more vacationers spend their leisure time exploring coasts and tropical reefs, often in isolated areas without immediate access to advanced health care, there will be greater potential for stingray...

As featured in the documentary, DamNation (Patagonia, 2014). During his first summer, Spencer built a sheltered viewing platform, a place to sit with Sis and his notebook, and observe the denizens of the pool for months, and, finally, years on end. Shortly before setting up camp during his first season, Spencer cut the points off the hooks of all his steelhead flies, freeing himself to see more deeply the beauty of his surroundings. As the predatory urge faded, a kind of blindness went with it, and Spencer's eyes and mind became figurative hooks, enabling him to capture the...

The revised second edition updates and expands the discussion, and incorporates additional figures and illustrative problems. Improvements include a new chapter on basic chemistry, a more comprehensive chapter on hydrology, and an updated chapter on regulations and standards.

This book presents the basic aspects of water quality, emphasizing physical, chemical, and biological factors. The study of water quality draws information from a variety of disciplines including chemistry, biology, mathematics, physics, engineering, and resource management.

University training in water...

Fisherman Mark Spitzer takes readers on an action-packed investigation of the most fierce and fearsome freshwater grotesques of the American West ever to inspire both hatred and fascination. Through the lenses of history, folklore, biology, ecology, and politics, Beautifully Grotesque Fish of the American West depicts the environmental destruction plaguing the most maligned creatures in our midst while subtly interweaving Spitzer's experiences of personal tragedy and self-discovery.

Join Spitzer as he noodles for flathead catfish in Oklahoma, snags paddlefish in...

The Driftless Area in rural southwestern Wisconsin has some of the most productive spring creeks in the world. Brown trout numbers can reach 5000 catchable fish per mile in creeks only 10 meters wide. The author goes fishing with a local self-described "trout regs protester," to look at the social and biological impacts of special regulations designed to promote and protect this fishery as a destination for out of state traveling fly fishers and local anglers alike. The former have flocked to this region over the years, the later have dropped out in high numbers. The author investigates...

"It's fascinating ... Tells] how fishing is an integral part of America." -- BILL O'REILLY, The O'Reilly Factor

"The perfect Christmas gift for the fishing enthusiast in your family" (Daily Caller), The American Fisherman, by outdoorsman Willie Robertson (CEO of Duck Commander and star of A&E's Duck Dynasty) and bestselling historian William Doyle, reveals that in the U.S.A., fishing is far more than a pastime--it has shaped our past and defined our character in remarkable ways.

This generously illustrated celebration of fish,...