News Update on Feeding Ecology Research: Oct – 2019

Comparative feeding ecology of felids in a neotropical rainforest

Diet and environs use of Felis onca, puma, and ocelot, and populations of their class prey, were studied in associate degree undisturbed timber in southeastern South American country. Analysis of scats (feces) showed terrestrial mammals to be the chief prey of all 3 felids, however reptiles and birds were conjointly numerically vital within the diets of Felis pardalis and Felis onca. Prey diversity is high and also the cats patently take any without delay captured vertebrate. For major terrestrial vertebrate prey of felids, density, biomass, prey/predator ratios, and annual offtake from the study space ar calculable. All 3 cat species appear to hunt by timeserving encounter of prey. Most class prey species were taken in concerning the ratios of incidence, however peccaries were taken by Felis onca additional typically than expected. Most prey of Felis onca have a weight of >1 weight unit, those of Felis pardalis, ≤1 kg. Felis onca typically used bank habitats, wherever they captured crocodilian and watercourse turtles. [1]

Observations on the Feeding Ecology of Estuarine Nematodes

Observations on living body of water nematodes show that previous feeding kind classifications don’t accurately represent the biological process structure of associate degree seashore mudflat within the Westerschelde body of water (Netherlands). a brand new theme with six major roundworm feeding guilds is proposed: (1) microvores; (2) ciliate feeders; and (3) deposit feeders sensu stricto are all nematodes while not a definite buccal coil. within the initial 2 teams microorganism and protozoa, severally are the key particulate food sources, whereas different things are enclosed within the diet of the third. The 3 different classes are recognized among the nematodes with a buccal armature: (4) epigrowth feeders; (5) facultative predators; and (6) predators. Diatoms and different microalgae are a vital particulate food for several epigrowth feeders. The importance of microorganism as a food supply for these nematodes remains poorly documented. A strictly or in the main predatory behaviour has been represented for less than few species from the study space. many nematodes, however, are facultative predators. [2]

Primate digestion: Interactions among anatomy, physiology, and feeding ecology

Food is significant for keeps. It provides nutrients for growth, maintenance, and copy, and is that the supply of energy that drives the chemical reactions occurring in each cell.1,2 However, most food, because it is ab initio procured, isn’t during a type appropriate for use; it should initial be de-escalated in order that it will be transported through cell membranes.1 The breaking down of food molecules via a system of each mechanical and chemical processes in order that they’re of use to the body is named digestion. [3]

Year-round individual specialization in the feeding ecology of a long-lived seabird

Many student species ar composed of people variable within the size of their accomplished niches among a population. to know the underlying causes and implications of this development, continual samplings on identical people subjected to totally different environmental conditions ar required. Here, we tend to studied individual specialization of feeding methods in breeding and non-breeding grounds of Cory’s shearwaters (Calonectris borealis) for 2–8 years, and its relationship with fitness. people were comparatively versatile in non-breeding destinations, however specialised in diet, surroundings use and daily activity across years. [4]

Feeding Ecology of Primates in Southern Sector of Gashaka-Gumti National Park (Filinga Range), Taraba State, Nigeria

Primates beside several alternative animal taxa are forced to address giant shifts in basic ecological conditions due to speedy anthropogenically evoked changes of their habitats. one among the header ways for primates is to regulate their diet to those changes. very little is understood, however, regarding primates feeding ecology in fragmented habitats and lots of species stay studied. The feeding ecology of primates in Gashaka-Gumti park, Taraba State, Nigeria notably in Filinga vary was studied for 6 weeks. Direct observation on planned transects with the help of binoculars was utilized in information assortment. The visits were created between 06.00 h – 11.00 h and also the evening fifteen.00 h – 18.00 h within the park. information were collected from the plants species the primates fed upon. [5]

Reference

[1] Emmons, L.H., 1987. Comparative feeding ecology of felids in a neotropical rainforest. Behavioral ecology and sociobiology, 20(4), (Web Link)

[2] Moens, T. and Vincx, M., 1997. Observations on the feeding ecology of estuarine nematodes. Journal of the Marine Biological Association of the United Kingdom, 77(1), (Web Link)

[3] Lambert, J.E., 1998. Primate digestion: interactions among anatomy, physiology, and feeding ecology. Evolutionary Anthropology: Issues, News, and Reviews: Issues, News, and Reviews, 7(1), (Web Link)

[4] Year-round individual specialization in the feeding ecology of a long-lived seabird
Laura Zango, José Manuel Reyes-González, Teresa Militão, Zuzana Zajková, Eduardo Álvarez-Alonso, Raül Ramos & Jacob González-Solís
Scientific Reportsvolume 9, Article number: 11812 (2019) (Web Link)

[5] T. Tyowua, B., O. Yager, G. and E. Samuel, D. (2017) “Feeding Ecology of Primates in Southern Sector of Gashaka-Gumti National Park (Filinga Range), Taraba State, Nigeria”, Asian Journal of Environment & Ecology, 2(3), (Web Link)

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