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Pčelarstvo

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Odg: Pčelarstvo
« Odgovor #30 poslato: 20 April 2017, 01:56:15 »
 

Van mreže Lola123

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Pčelarstvo

While keeping bees certainly isn't rocket science, doing it properly does involve decent levels of understanding, commitment, and attention to detail. Getting the basics right is essential, and this demands a solid appreciation of important areas such as hives management, breed choice, and health requirements. There is plenty to think about for those getting their first bees, and careful planning is the key to a successful initial experience. One thing that complicates matters is the bees' ability to disguise problems. Although this might seem a useful ability, it actually makes recognizing trouble in the crucial, early stages that much more difficult, even for experienced owners. And although bees are remarkably resilient creatures, they remain vulnerable to predators, disease and climate changes. There is plenty of potential for things to go wrong and, unfortunately, it's always the bees that suffer when problems strike.

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Ovde je skriveni sadržaj !!!
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Ovde je skriveni sadržaj !!!
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Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 


Odg: Pčelarstvo
« Odgovor #31 poslato: 20 April 2017, 01:57:21 »
 

Van mreže Lola123

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Pčelarstvo


epub

Na ovom linku nalazi se knjiga u epub formatu.

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Ovde je skriveni sadržaj !!!
Ovaj sadržaj mogu videti samo registrovani članovi nakon zahvaljivanja na dugme HVALA





Ovde je skriveni sadržaj !!!
Ovaj sadržaj mogu videti samo registrovani članovi nakon zahvaljivanja na dugme HVALA


Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #32 poslato: 26 Maj 2017, 21:24:02 »
 

Van mreže Lola123

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Pčelarstvo


novilink
Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #33 poslato: 28 Jun 2017, 01:53:07 »
 

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Ovde je skriveni sadržaj !!!
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« Poslednja izmena: 20 Septembar 2018, 23:33:30 od strane Lola123 »
Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #34 poslato: 07 Jul 2017, 01:30:13 »
 

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Pčelarstvo

In this extensive update of his definitive reference, Charles D. Michener reveals a diverse fauna that numbers more than 17,000 species and ranges from the common honeybee to rare bees that feed on the pollen of a single type of plant. With many new facts, reclassifications, and revisions, the second edition of The Bees of the World provides the most comprehensive treatment of the 1,200 genera and subgenera of the Apiformes. Included are hundreds of updated citations to work published since the appearance of the first edition and a new set of plates of fossil bees.

The book begins with extensive introductory sections that include bee evolution, classification of the various bee families, the coevolution of bees and flowering plants, nesting behavior, differences between solitary and social bees, and the anatomy of these amazing insects. Drawing on modern studies and evidence from the fossil record, Michener reveals what the ancestral bee―the protobee―might have looked like. He also cites the major literature on bee biology and describes the need for further research on the systematics and natural history of bees, including their importance as pollinators of crops and natural vegetation. The greater part of the work consists of an unprecedented treatment of bee systematics, with keys for identification to the subgenus level. For each genus and subgenus, Michener includes a brief natural history describing geographical range, number of species, and noteworthy information pertaining to nesting or floral biology.

The book is beautifully illustrated with more than 500 drawings and photographs that depict behavior, detailed morphology, and ecology. Accented with color plates of select bees, The Bees of the World will continue to be the world's best reference on these diverse insects.

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Ovde je skriveni sadržaj !!!
Ovaj sadržaj mogu videti samo registrovani članovi nakon zahvaljivanja na dugme HVALA





Ovde je skriveni sadržaj !!!
Ovaj sadržaj mogu videti samo registrovani članovi nakon zahvaljivanja na dugme HVALA


Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #35 poslato: 23 Februar 2018, 02:13:44 »
 

Van mreže Lola123

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Pčelarstvo

Bees, both commercially managed honey bees and wild bees, play an important role in global food production. In the United States alone, the value of insect pollination to U.S. agricultural production is estimated at $16 billion annually, of which about three-fourths is attributable to honey bees. Worldwide, the contribution of bees and other insects to global crop production for human food is valued at about $190 billion. Given the importance of bees and other types of pollinators to food production, many have expressed concern about whether a "pollinator crisis" has been occurring in recent decades. Worldwide reports indicate that populations of both managed honey bees and native bees have been declining, with colony losses in some cases described as severe or unusual. In Europe, managed honey bee colony numbers have been declining since the mid-1960s, and individual beekeepers have reported "unusual weakening and mortality in colonies," particularly during the period spanning winter through spring. According to the United Nations, many insect pollinator species may be becoming rarer, causing some to question whether this is a sign of an overall global biodiversity decline. This book examines selected U.S. Department of Agriculture (USDA) agencies' bee-related monitoring, research and outreach, as well as conservation efforts, and The Environmental Protection Agency's (EPA) efforts to protect bees through its regulation of pesticides.

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Ovde je skriveni sadržaj !!!
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« Poslednja izmena: 28 Septembar 2018, 23:21:34 od strane Lola123 »
Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #36 poslato: 23 Februar 2018, 02:17:03 »
 

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Bees pollinate more than 130 fruit, vegetable, and seed crops that we rely on to survive. Bees are crucial to the reproduction and diversity of flowering plants, and the economic contributions of these irreplaceable insects measure in the tens of billions of dollars each year. Yet bees are dying at an alarming rate, threatening food supplies and ecosystems around the world. In this richly illustrated natural history of the bee, Noah Wilson-Rich and his team of bee experts provide a window into the vitally important role that bees play in the life of our planet.

Earth is home to more than 20,000 bee species, from fluorescent-colored orchid bees and sweat bees to flower-nesting squash bees and leaf-cutter bees. This book takes an incomparable look at this astounding diversity, blending an engaging narrative with practical, hands-on discussions of such topics as beekeeping and bee health. It explores our relationship with the bee over evolutionary time, delving into how it came to be, where it stands today, and what the future holds for humanity and bees alike.

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Ovde je skriveni sadržaj !!!
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Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #37 poslato: 13 Jun 2018, 00:20:30 »
 

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Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #38 poslato: 20 Septembar 2018, 23:35:54 »
 

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Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.
 

Odg: Pčelarstvo
« Odgovor #39 poslato: 28 Septembar 2018, 23:25:45 »
 

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Trenutno sam odsutan s foruma pa vas molim da mi ne šaljete poruke.