Preprints (not yet peer-reviewed)

89 downloads
417 views

The polar bear (Ursus maritimus) was the first species to be classified as threatened with extinction based on predictions of future conditions rather than current status. These predictions were made using expert-opinion forecasts of population declines linked...

["Conservation Biology","Ecology","Environmental Sciences","Zoology"]
doi:10.7287/peerj.preprints.2737v1
10 downloads
85 views

Ecosystem functions of rivers have been greatly impaired due to the negative effects of human actions on river structures in different regions of the Earth during the last decades. It is an urgent task to understand the complete structures and ecosystem functions...

["Ecology","Ecosystem Science","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.2712v2
11 downloads
112 views

1. The elevational gradient in plant defense (EGPD) hypothesis posits that natural enemy pressures increase positively alongside temperature across elevational climatic gradients, thereby selecting for enhanced defenses at lower elevations while leaving plants...

["Ecology","Entomology","Plant Science"]
doi:10.7287/peerj.preprints.2733v1
32 downloads
60 views

Phytochemicals produced by plants, including at flowers, function in protection against plant diseases, and have a long history of use against trypanosome infection. Floral nectar and pollen, the sole food sources for many species of insect pollinators, contain...

["Ecology","Entomology","Parasitology","Plant Science","Infectious Diseases"]
doi:10.7287/peerj.preprints.2730v1
50 downloads
337 views

1. Interspecific relationships, termed symbiosis, are considered very diverse, while intraspecific relationships have just two categories. 2. The present classification fails to define all interactions among members of the same species, as demonstrated by observations...

["Animal Behavior","Ecology","Zoology"]
doi:10.7287/peerj.preprints.2563v3
478 downloads
1,650 views

A central challenge in the present era of biodiversity loss is to assess and manage human impacts on freshwater ecosystems. Macroinvertebrates are an ideal group for Environmental Impacts Assessment (EIA). However, generating accurate macroinvertebrate inventories...

["Biodiversity","Bioinformatics","Ecology","Genetics","Molecular Biology"]
doi:10.7287/peerj.preprints.2044v4
53 downloads
189 views

Residence time (τ) is the average amount of time that particles spend in an ecosystem. Often estimated from the ratio of volume to flow rate, τ equates the physical environment with dynamics of growth. Here, we propose that τ is key to understanding relationships...

["Biodiversity","Ecology","Ecosystem Science","Microbiology"]
doi:10.7287/peerj.preprints.2727v1
14 downloads
43 views

Background. Theory predicts strong bottom-up control in detritus-based food webs, yet field experiments with detritus-based terrestrial systems have uncovered contradictory evidence regarding the strength and pervasiveness of bottom-up control processes. Two factors...

["Ecology","Soil Science","Zoology"]
doi:10.7287/peerj.preprints.2722v1
46 downloads
55 views

In order to understand the distribution and prevalence of Ommatissus lybicus (Homoptera: Tropiduchidae) as well as analyse their current biographical patterns and predict their future spread, comprehensive and highly sophisticated information on the environmental,...

["Agricultural Science","Ecology","Ecosystem Science","Entomology","Environmental Sciences"]
doi:10.7287/peerj.preprints.2716v1
60 downloads
360 views

Interactions among global change stressors and their effects at large scales are often proposed, but seldom evaluated. This situation is primarily due to lack of comprehensive, sufficiently long-term, and spatially-extensive datasets. Seagrasses, which provide...

["Ecology","Environmental Sciences","Marine Biology"]
doi:10.7287/peerj.preprints.2544v2
13 downloads
40 views

The role of Diadema savignyi in controlling the brown microalga, Sargassum pacificum, was studied on the barrier reef of Mo’orea, French Polynesia. A survey of the area was conducted to determine if there was a trend between the number of D. savignyi and the amount...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Ecology","Ecosystem Science","Marine Biology"]
doi:10.7287/peerj.preprints.2708v1
5 downloads
81 views

Huachuca water umbel, Lilaeopsis schaffneriana var. recurva, is a federally endangered desert wetland plant restricted to southeastern Arizona, USA, and adjacent portions of Mexico. Very little is known about the factors that influence the species presence, absence,...

["Conservation Biology","Ecology","Plant Science"]
doi:10.7287/peerj.preprints.2699v1
6 downloads
62 views

Allelopathic macroalgae have been shown to have significant negative effects on corals via the transfer of toxic compounds. The interaction that takes place between allelopathic macroalgae and other algae, however, has not been studied in detail. Here, the effects...

["Biochemistry","Ecology","Marine Biology"]
doi:10.7287/peerj.preprints.2700v1
10 downloads
124 views

Background. Interactions between eukaryotic amoebae and bacteria are understudied and important. Bacteria inside of amoebae are protected from external forces including antibiotics. An excellent model for bacteria-amoeba interactions is the social amoeba Dictyostelium...

["Ecology","Evolutionary Studies"]
doi:10.7287/peerj.preprints.2698v1
52 downloads
56 views

Marine debris are a widespread problem that affects every river basin, costal and marine environment ever studied for this pollutant. Its full characterization is paramount in the efforts to identify and abate sources, as well as in the raising filed of risk studies....

["Aquaculture, Fisheries and Fish Science","Conservation Biology","Ecology","Ecosystem Science","Environmental Sciences"]
doi:10.7287/peerj.preprints.2695v1
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