PODOLSKY, R.D.*; MORAN, A.L.; College of Charleston, Grice Marine Laboratory; Clemson University: Functional links and carryover effects across life cycles Life cycles are composed of stages that can vary dramatically in size, form, habitat, and functional attributes. Within-life-cycle functional variation is fundamental to ecological and evolutionary processes because the nature and strength of interactions and […]
year: 2006
Functional links among life phases and the consequences for individual performance in decapod crustaceans
GIM�NEZ, L; Biologische Anstalt Helgoland, Foundation Alfred Wegener Institute for Polar and Marine Research, Marine Station : Functional links among life phases and the consequences for individual performance in decapod crustaceans I review the effects of past environmental conditions on traits and performance in decapod crustaceans. I consider two critical points of the life cycle: […]
Functional and ecological limits on size at metamorphosis of marine invertebrates
EMLET, R.B.; Univ. of Oregon, OIMB: Functional and ecological limits on size at metamorphosis of marine invertebrates Just as egg size can influence many aspects of the larval stage, size and condition at metamorphosis have consequences for juvenile growth and survival. Here I examine several factors that may set the lower and upper limits to […]
Availability of dissolved organic matter (DOM) reduces carryover performance consequences for the marine bryozoan Bugula neritina
WENDT, D.E.*; JOHNSON, C.H.; Cal Poly, San Luis Obispo; Harvard University: Availability of dissolved organic matter (DOM) reduces carryover performance consequences for the marine bryozoan Bugula neritina For marine invertebrates with complex life-cycles physical stresses during the larval stage can often have dramatic and long-lasting effects on postmetamorphic performance. The cheilostome bryozoan Bugula neritina is […]
Translating a Neural Signal into a Mechanical Output
AHN, Anna N; Harvey Mudd College: Translating a Neural Signal into a Mechanical Output The mechanical behavior of muscle during locomotion is often predicted from its anatomy, stimulation pattern, basic contractile properties, and joint kinematics. Cockroaches and frogs provide model systems to examine these assumptions. In the cockroach leg, two muscles operating at the same […]
Principles of Neuromechanics Integration of Experiments, Mathematical and Physical Models
FULL, R.J.; Univ. of California, Berkeley: Principles of Neuromechanics: Integration of Experiments, Mathematical and Physical Models Locomotion results from high-dimensional, dynamically coupled interactions between an organism and its environment. Fortunately, simple models we call templates can resolve the redundancy of multiple legs, joints and muscles. A template is the simplest dynamical system model that exhibits […]
Neuromuscular dynamics passive versus active control of locomotion and stability
BIEWENER, Andrew A.; Harvard University: Neuromuscular dynamics: passive versus active control of locomotion and stability. Neuromuscular control of movement depends on matching neural commands to the time-varying requirements of muscle force generation and length change of multiple muscle groups within an animal�s limbs and body. In addition to motor unit characteristics, muscle-tendon architecture is likely […]
Neuromechanics of elastic energy storage and recovery during ballistic movements
NISHIKAWA, KC*; LAPPIN, AK; MONROY, JA; PILARSKI, JQ; PIEROTTI, DJ; Northern Arizona University: Neuromechanics of elastic energy storage and recovery during ballistic movements The goal of our research is to understand the biomechanics and neural control of ballistic movements, using tongue projection in frogs as a model system. Ballistic tongue projection is an extremely rapid, […]
Neuromechanics of Biorobots
QUINN, R.D.*; RITZMANN, R.E.; CHIEL, H.J.; VAIDYANATHAN, R.; Case Western Reserve University; Case Western Reserve University; Case Western Reserve University; Naval Postgraduate School: Neuromechanics of Biorobots Our research has demonstrated the value of focusing on both the biomechanics and neural control of biological organisms as a basis for a new generation of flexible, adaptive robots […]
Locomotor performance and strategies in frogs a simple modelling approach
AERTS , P; Univ. of Antwerp (BE): Locomotor performance and strategies in frogs: a simple modelling approach A simple mathematical model consisting of an ellipsoid body and telescopic limbs, driven by actuators with muscle-like properties, is used to assess locomotor performance and strategies in frogs. Fmax and Vmax of the actuators are tuned in such […]
