Geographic variation in aridity determines environmental productivity patterns, including large-scale variability in pathogens, vectors and associated diseases. If disease risk decreases with increasing aridity and is matched by immune defense, we predict a decrease in innate immune function along a gradient of increasing aridity from the cool-wet forest to the hot-dry Sahel, from south to north in Nigeria. We sampled blood and measured five innate immune indices from 286 Common Bulbuls Pycnonotus barbatus between 6 and 13 degrees N. We sampled in the dry season; we resampled the first location (Jos) also as the last sample location to test temporal change in immune function. Immune indices did not decrease with aridity. One immune index, n...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
C.J.N. was supported by a studentship funded by the Leventis Conservation Foundation through the Uni...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
Geographic variation in aridity determines environmental productivity patterns, including large-scal...
C.J.N. was supported by a studentship funded by the Leventis Conservation Foundation through the Uni...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
Investment in immune defences is predicted to covary with a variety of ecologically and evolutionari...
There is a growing appreciation of the diversity and uniqueness of tropical organisms, but evidence ...