On the other hand single product specialization, sequential, linear and uni-directional relationships are the characteristics of a closed industrial production systems.
Genera of ischnoceran feather lice often correspond to lice of a single microhabitat specialization on an order of family of birds [ 20].
Even as Greyhoud coaches encourage athletes to play multiple sports, single-sport specialization — especially in basketball, soccer and volleyball — reduces participation in other activities.
Demographic shifts, concussions, single-sport specialization and cost — among the same issues that have caused youth football numbers to plummet around the country in recent years — have led West Windsor-Plainsboro High School North to drop varsity football this season.
Experts say the same issues — cost, single-sport specialization, demographic shifts and injury concerns — continue to plague the sport, which remains the top boys participatory sport by a "large margin," NFHS reported.
Single-sport specialization also has been associated with greater risk of burnout, decreased motivation and lack of enjoyment.
Another factor for young athletes and their parents to consider is single-sport specialization beats down the body and leads to more injuries.
However, the coexistence brings into focus how niche differentiation is possible on a single resource through specialization on patches that differ in degree of depletion, or fragmentation (for further discussion see Section 5 in Additional file 1).
A program of 27 units in a single area of specialization must be completed.
In 1982, the two courses were combined into a single Course of Specialization in Public Health.
The highly specialized scale-eating habit appears in the five remaining species, which form a monophyletic group, suggesting a single origin for specialization in this lineage.
