Search Results - "Negishi, J. N."

Three years in the dark: life history and trophic traits of the hyporheic stonefly, Alloperla ishikariana Kohno, 1953 (Plecoptera, Chloroperlidae) by Negishi, J. N., Alam, M. K., Rahman, M. A. T. M. T., Kawanishi, R., Uno, H., Yoshinari, G., Tojo, K.

“…Little is known about the ecology of insect species in the hyporheic zone of rivers, despite its importance in understanding how species survive in specialized…”
Get full text

Effects of channelisation on stream habitat in relation to a spate and flow refugia for macroinvertebrates in northern Japan by NEGISHI, J. N., INOUE, M., NUNOKAWA, M.

“…1. The effects of channelisation on macroinvertebrates were examined in relation to a spate and flow refugia. Habitat components that can function as flow…”
Get full text

Cesium-137 contamination of river food webs in a gradient of initial fallout deposition in Fukushima, Japan by Negishi, J. N., Sakai, M., Okada, K., Iwamoto, A., Gomi, T., Miura, K., Nunokawa, M., Ohhira, M.

“…We examined the cesium-137 ( 137 Cs) contamination of river food webs in a gradient of initial fallout deposition (net density estimates 2.5–3.5 months after…”
Get full text

Seasonal variation in food web-based transfer factors of radiocesium in white-spotted char (Salvelinus leucomaenis) from headwater streams by Haque, M. E., Gomi, T., Sakai, M., Negishi, J. N.

“…The seasonal variability of food web-based transfer factors ( TF web ) of radiocesium ( 137 Cs) in white-spotted char ( Salvelinus leucomaenis ) was examined…”
Get full text

An urbanized phantom tributary subsidizes river–riparian communities of a mainstem gravel‐bed river by Negishi, J. N., Song, Y. Y., Matsubara, I., Morisaki, N.

“…Abstract Urbanization transforms natural river channels, and surface water of some rivers disappeared over time. How and whether the subsurface domains of the…”
Get full text

Using airborne scanning laser altimetry (LiDAR) to estimate surface connectivity of floodplain water bodies by Negishi, J. N, Sagawa, S, Sanada, S, Kume, M, Ohmori, T, Miyashita, T, Kayaba, Y

“…This study tested the applicability of airborne scanning laser altimetry (LiDAR) for characterizing surface connectivity of floodplain water bodies by…”
Get full text

Contribution of intercepted subsurface flow to road runoff and sediment transport in a logging-disturbed tropical catchment by Negishi, J. N., Sidle, R. C., Ziegler, A. D., Noguchi, S., Rahim, N. Abdul

“…Hydrological and sediment fluxes were monitored for a 1 yr period in a tropical headwater catchment where a 3 yr old logging road caused substantial Hortonian…”
Get full text

Stormflow generation involving pipe flow in a zero-order basin of Peninsular Malaysia by Negishi, J. N., Noguchi, S., Sidle, R. C., Ziegler, A. D., Rahim Nik, Abdul

“…Hydrological responses in a zero‐order basin (ZOB), a portion of whose discharge emerged via preferential flow through soil pipes, were examined over a 2‐year…”
Get full text

Application of eDNA methods to evaluate abundance and reproduction of winter-breeding freshwater mussels (Buldowskia iwakawai) in the Ishikari River floodplain by Wu, J., Negishi, J. N., Izumi, H., Kanbe, T., Mizumoto, H., Araki, H.

“…Freshwater mussels (Order Unionoida) can provide crucial ecological functions and services. However, many of them are endangered worldwide due to local…”
Get full text

Imperiled freshwater mussels in drainage channels associated with rare agricultural landscape and diverse fish communities by Negishi, J. N, Tamaoki, H, Watanabe, N, Nagayama, S, Kume, M, Kayaba, Y, Kawase, M

“…Identification of landscape structures that predict the distribution of aquatic organisms has the potential to provide a practical management tool for species…”
Get full text

Ecological roles of roadside fern ( Dicranopteris curranii) on logging road recovery in Peninsular Malaysia: Preliminary results by Negishi, J.N., Sidle, R.C., Noguchi, S., Nik, Abdul Rahim, Stanforth, R.

“…The role of common roadside fern ( Dicranopteris curranii) on the recovery of logging roads in headwater catchments of Peninsular Malaysia was examined…”
Get full text

Erosion processes in steep terrain—Truths, myths, and uncertainties related to forest management in Southeast Asia by Sidle, Roy C., Ziegler, Alan D., Negishi, Junjiro N., Nik, Abdul Rahim, Siew, Ruyan, Turkelboom, Francis

“…To assess the effects of forest management on soil erosion in Southeast Asia, clear distinctions must be made between surface erosion and landslide processes…”
Get full text

Unionoid mussels as an indicator of fish communities: A conceptual framework and empirical evidence by Negishi, J.N., Nagayama, S., Kume, M., Sagawa, S., Kayaba, Y., Yamanaka, Y.

“…► Mussel community attributes were associated with those of fish in limited seasons. ► Mussel community variables were not associated with the total abundance…”
Get full text

Sediment and wood accumulations in humid tropical headwater streams: Effects of logging and riparian buffers by Gomi, Takashi, Sidle, Roy C., Noguchi, Shoji, Negishi, Junjiro N., Nik, Abdul Rahim, Sasaki, Shozo

“…The amount of sediment, wood, and detritus (leaves and small branches) accumulations were examined in four headwater tributaries subjected to different…”
Get full text

Detritus Processing, Ecosystem Engineering and Benthic Diversity: A Test of Predator-Omnivore Interference by Zhang, Yixin, Richardson, John S., Negishi, Junjiro N.

“…1. Interference between species from different functional groups may influence ecosystem functioning and biological diversity. This study tested whether…”
Get full text

Impacts of marine-derived nutrients on stream ecosystem functioning by Zhang, Yixin, Negishi, Junjiro N., Richardson, John S., Kolodziejczyk, Renata

“…Energy and nutrient subsidies transported across ecosystem boundaries are increasingly appreciated as key drivers of consumer–resource dynamics. As purveyors…”
Get full text

Throughfall in an evergreen-dominated forest stand in northern Thailand: Comparison of mobile and stationary methods by Ziegler, Alan D., Giambelluca, Thomas W., Nullet, Mike A., Sutherland, Ross A., Tantasarin, Chatchai, Vogler, John B., Negishi, Junjiro N.

“…Throughfall determined by stationary and mobile methods in a disturbed evergreen-dominated forest stand in northern Thailand was 82% of rainfall (1134 mm)…”
Get full text

Ecological roles of roadside fern (Dicranopteris curranii) on logging road recovery in Peninsular Malaysia : Preliminary results: Catchment processess in Southeast Asia by NEGISHI, J. N, SIDLE, R. C, NOGUCHI, S, ABDUL RAHIM NIK, STAUFORTH, R

Get full text

Effects of channelisation on stream habitat in relation to a spate and flow regugia for macroinvertebrates in northern Japan by Negishi, J N, Inoue, M, Nunokawa, M

Get full text

Host mussel utilization of the Itasenpara bitterling (Acheilognathus longipinnis) in the Moo River in Himi, Japan by Kitamura, J.(Kyoto Univ. (Japan)), Negishi, J.N, Nishio, M, Sagawa, S, Akino, J, Aoki, S

“…Bitterling are fishes that use freshwater mussels for oviposition. The pattern of mussel utilization of an endangered bitterling species, Acheilognathus…”
Get full text